Home / 5,421.16-8,126.88-2,497.06

Finding the Fourth Proportional to 5,421.16, 8,126.88 and 2,497.06

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Solution

The fourth proportional to 5,421.16, 8,126.88 and 2,497.06 is: 3,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.16 : 8,126.88 = 2,497.06 : x
  2. Step 2: Convert to fraction form
    5,421.16/8,126.88 = 2,497.06/x
  3. Step 3: Cross multiply
    5,421.16x = 8,126.88 × 2,497.06
  4. Step 4: Simplify right side
    5,421.16x = 20,293,306.97
  5. Step 5: Solve for x
    x = 20,293,306.97/5,421.16
  6. Step 6: Final answer
    x = 3,743.35

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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.