Home / 7,417.34-11,127.80-2,487.02

Finding the Fourth Proportional to 7,417.34, 11,127.80 and 2,487.02

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Solution

The fourth proportional to 7,417.34, 11,127.80 and 2,487.02 is: 3,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.34 : 11,127.80 = 2,487.02 : x
  2. Step 2: Convert to fraction form
    7,417.34/11,127.80 = 2,487.02/x
  3. Step 3: Cross multiply
    7,417.34x = 11,127.80 × 2,487.02
  4. Step 4: Simplify right side
    7,417.34x = 27,675,061.16
  5. Step 5: Solve for x
    x = 27,675,061.16/7,417.34
  6. Step 6: Final answer
    x = 3,731.13

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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.