Home / 4,115.98-5,680.02-2,347.48

Finding the Fourth Proportional to 4,115.98, 5,680.02 and 2,347.48

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Solution

The fourth proportional to 4,115.98, 5,680.02 and 2,347.48 is: 3,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.98 : 5,680.02 = 2,347.48 : x
  2. Step 2: Convert to fraction form
    4,115.98/5,680.02 = 2,347.48/x
  3. Step 3: Cross multiply
    4,115.98x = 5,680.02 × 2,347.48
  4. Step 4: Simplify right side
    4,115.98x = 13,333,733.35
  5. Step 5: Solve for x
    x = 13,333,733.35/4,115.98
  6. Step 6: Final answer
    x = 3,239.50

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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.