Home / 5,082.64-7,624.47-1,572.49

Finding the Fourth Proportional to 5,082.64, 7,624.47 and 1,572.49

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Solution

The fourth proportional to 5,082.64, 7,624.47 and 1,572.49 is: 2,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.64 : 7,624.47 = 1,572.49 : x
  2. Step 2: Convert to fraction form
    5,082.64/7,624.47 = 1,572.49/x
  3. Step 3: Cross multiply
    5,082.64x = 7,624.47 × 1,572.49
  4. Step 4: Simplify right side
    5,082.64x = 11,989,402.83
  5. Step 5: Solve for x
    x = 11,989,402.83/5,082.64
  6. Step 6: Final answer
    x = 2,358.89

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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.