Home / 7,070.55-9,757.17-3,926.53

Finding the Fourth Proportional to 7,070.55, 9,757.17 and 3,926.53

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Solution

The fourth proportional to 7,070.55, 9,757.17 and 3,926.53 is: 5,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.55 : 9,757.17 = 3,926.53 : x
  2. Step 2: Convert to fraction form
    7,070.55/9,757.17 = 3,926.53/x
  3. Step 3: Cross multiply
    7,070.55x = 9,757.17 × 3,926.53
  4. Step 4: Simplify right side
    7,070.55x = 38,311,832.92
  5. Step 5: Solve for x
    x = 38,311,832.92/7,070.55
  6. Step 6: Final answer
    x = 5,418.51

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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.