Home / 5,146.44-7,102.80-3,818.04

Finding the Fourth Proportional to 5,146.44, 7,102.80 and 3,818.04

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Solution

The fourth proportional to 5,146.44, 7,102.80 and 3,818.04 is: 5,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.44 : 7,102.80 = 3,818.04 : x
  2. Step 2: Convert to fraction form
    5,146.44/7,102.80 = 3,818.04/x
  3. Step 3: Cross multiply
    5,146.44x = 7,102.80 × 3,818.04
  4. Step 4: Simplify right side
    5,146.44x = 27,118,774.51
  5. Step 5: Solve for x
    x = 27,118,774.51/5,146.44
  6. Step 6: Final answer
    x = 5,269.42

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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.