Home / 5,282.52-7,921.44-2,358.78

Finding the Fourth Proportional to 5,282.52, 7,921.44 and 2,358.78

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Solution

The fourth proportional to 5,282.52, 7,921.44 and 2,358.78 is: 3,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.52 : 7,921.44 = 2,358.78 : x
  2. Step 2: Convert to fraction form
    5,282.52/7,921.44 = 2,358.78/x
  3. Step 3: Cross multiply
    5,282.52x = 7,921.44 × 2,358.78
  4. Step 4: Simplify right side
    5,282.52x = 18,684,934.24
  5. Step 5: Solve for x
    x = 18,684,934.24/5,282.52
  6. Step 6: Final answer
    x = 3,537.13

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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.