Home / 4,111.89-5,674.38-2,248.89

Finding the Fourth Proportional to 4,111.89, 5,674.38 and 2,248.89

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Solution

The fourth proportional to 4,111.89, 5,674.38 and 2,248.89 is: 3,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.89 : 5,674.38 = 2,248.89 : x
  2. Step 2: Convert to fraction form
    4,111.89/5,674.38 = 2,248.89/x
  3. Step 3: Cross multiply
    4,111.89x = 5,674.38 × 2,248.89
  4. Step 4: Simplify right side
    4,111.89x = 12,761,056.44
  5. Step 5: Solve for x
    x = 12,761,056.44/4,111.89
  6. Step 6: Final answer
    x = 3,103.45

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Find fourth proportional to 2,055.95, 2,837.19 and 1,124.45
Half scale
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Double scale
Find fourth proportional to 4,112.89, 5,675.76 and 2,249.89
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.