Home / 7,470.28-11,207.10-2,276.68

Finding the Fourth Proportional to 7,470.28, 11,207.10 and 2,276.68

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Solution

The fourth proportional to 7,470.28, 11,207.10 and 2,276.68 is: 3,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.28 : 11,207.10 = 2,276.68 : x
  2. Step 2: Convert to fraction form
    7,470.28/11,207.10 = 2,276.68/x
  3. Step 3: Cross multiply
    7,470.28x = 11,207.10 × 2,276.68
  4. Step 4: Simplify right side
    7,470.28x = 25,514,980.43
  5. Step 5: Solve for x
    x = 25,514,980.43/7,470.28
  6. Step 6: Final answer
    x = 3,415.53

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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.