Home / 5,267.61-7,901.38-1,372.02

Finding the Fourth Proportional to 5,267.61, 7,901.38 and 1,372.02

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Solution

The fourth proportional to 5,267.61, 7,901.38 and 1,372.02 is: 2,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.61 : 7,901.38 = 1,372.02 : x
  2. Step 2: Convert to fraction form
    5,267.61/7,901.38 = 1,372.02/x
  3. Step 3: Cross multiply
    5,267.61x = 7,901.38 × 1,372.02
  4. Step 4: Simplify right side
    5,267.61x = 10,840,823.47
  5. Step 5: Solve for x
    x = 10,840,823.47/5,267.61
  6. Step 6: Final answer
    x = 2,058.02

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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.