Home / 7,403.20-11,110.25-3,507.59

Finding the Fourth Proportional to 7,403.20, 11,110.25 and 3,507.59

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Solution

The fourth proportional to 7,403.20, 11,110.25 and 3,507.59 is: 5,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.20 : 11,110.25 = 3,507.59 : x
  2. Step 2: Convert to fraction form
    7,403.20/11,110.25 = 3,507.59/x
  3. Step 3: Cross multiply
    7,403.20x = 11,110.25 × 3,507.59
  4. Step 4: Simplify right side
    7,403.20x = 38,970,201.80
  5. Step 5: Solve for x
    x = 38,970,201.80/7,403.20
  6. Step 6: Final answer
    x = 5,263.97

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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.