Home / 5,428.91-7,495.27-4,167.56

Finding the Fourth Proportional to 5,428.91, 7,495.27 and 4,167.56

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Solution

The fourth proportional to 5,428.91, 7,495.27 and 4,167.56 is: 5,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.91 : 7,495.27 = 4,167.56 : x
  2. Step 2: Convert to fraction form
    5,428.91/7,495.27 = 4,167.56/x
  3. Step 3: Cross multiply
    5,428.91x = 7,495.27 × 4,167.56
  4. Step 4: Simplify right side
    5,428.91x = 31,236,939.55
  5. Step 5: Solve for x
    x = 31,236,939.55/5,428.91
  6. Step 6: Final answer
    x = 5,753.81

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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.