Home / 7,582.60-11,377.56-3,425.56

Finding the Fourth Proportional to 7,582.60, 11,377.56 and 3,425.56

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Solution

The fourth proportional to 7,582.60, 11,377.56 and 3,425.56 is: 5,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.60 : 11,377.56 = 3,425.56 : x
  2. Step 2: Convert to fraction form
    7,582.60/11,377.56 = 3,425.56/x
  3. Step 3: Cross multiply
    7,582.60x = 11,377.56 × 3,425.56
  4. Step 4: Simplify right side
    7,582.60x = 38,974,514.43
  5. Step 5: Solve for x
    x = 38,974,514.43/7,582.60
  6. Step 6: Final answer
    x = 5,139.99

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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.