Home / 5,265.30-7,901.55-2,345.70

Finding the Fourth Proportional to 5,265.30, 7,901.55 and 2,345.70

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Solution

The fourth proportional to 5,265.30, 7,901.55 and 2,345.70 is: 3,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.30 : 7,901.55 = 2,345.70 : x
  2. Step 2: Convert to fraction form
    5,265.30/7,901.55 = 2,345.70/x
  3. Step 3: Cross multiply
    5,265.30x = 7,901.55 × 2,345.70
  4. Step 4: Simplify right side
    5,265.30x = 18,534,665.84
  5. Step 5: Solve for x
    x = 18,534,665.84/5,265.30
  6. Step 6: Final answer
    x = 3,520.15

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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.