Home / 5,270.27-7,905.33-1,572.52

Finding the Fourth Proportional to 5,270.27, 7,905.33 and 1,572.52

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Solution

The fourth proportional to 5,270.27, 7,905.33 and 1,572.52 is: 2,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.27 : 7,905.33 = 1,572.52 : x
  2. Step 2: Convert to fraction form
    5,270.27/7,905.33 = 1,572.52/x
  3. Step 3: Cross multiply
    5,270.27x = 7,905.33 × 1,572.52
  4. Step 4: Simplify right side
    5,270.27x = 12,431,289.53
  5. Step 5: Solve for x
    x = 12,431,289.53/5,270.27
  6. Step 6: Final answer
    x = 2,358.76

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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.