Home / 7,470.38-11,205.59-2,726.89

Finding the Fourth Proportional to 7,470.38, 11,205.59 and 2,726.89

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Solution

The fourth proportional to 7,470.38, 11,205.59 and 2,726.89 is: 4,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.38 : 11,205.59 = 2,726.89 : x
  2. Step 2: Convert to fraction form
    7,470.38/11,205.59 = 2,726.89/x
  3. Step 3: Cross multiply
    7,470.38x = 11,205.59 × 2,726.89
  4. Step 4: Simplify right side
    7,470.38x = 30,556,369.67
  5. Step 5: Solve for x
    x = 30,556,369.67/7,470.38
  6. Step 6: Final answer
    x = 4,090.34

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1.5x scale

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.