Home / 7,400.35-11,100.75-2,470.42

Finding the Fourth Proportional to 7,400.35, 11,100.75 and 2,470.42

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Solution

The fourth proportional to 7,400.35, 11,100.75 and 2,470.42 is: 3,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.35 : 11,100.75 = 2,470.42 : x
  2. Step 2: Convert to fraction form
    7,400.35/11,100.75 = 2,470.42/x
  3. Step 3: Cross multiply
    7,400.35x = 11,100.75 × 2,470.42
  4. Step 4: Simplify right side
    7,400.35x = 27,423,514.82
  5. Step 5: Solve for x
    x = 27,423,514.82/7,400.35
  6. Step 6: Final answer
    x = 3,705.71

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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.