Home / 7,437.90-11,158.14-2,507.58

Finding the Fourth Proportional to 7,437.90, 11,158.14 and 2,507.58

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Solution

The fourth proportional to 7,437.90, 11,158.14 and 2,507.58 is: 3,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.90 : 11,158.14 = 2,507.58 : x
  2. Step 2: Convert to fraction form
    7,437.90/11,158.14 = 2,507.58/x
  3. Step 3: Cross multiply
    7,437.90x = 11,158.14 × 2,507.58
  4. Step 4: Simplify right side
    7,437.90x = 27,979,938.10
  5. Step 5: Solve for x
    x = 27,979,938.10/7,437.90
  6. Step 6: Final answer
    x = 3,761.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.