Home / 7,480.48-11,203.68-3,587.64

Finding the Fourth Proportional to 7,480.48, 11,203.68 and 3,587.64

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Solution

The fourth proportional to 7,480.48, 11,203.68 and 3,587.64 is: 5,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.48 : 11,203.68 = 3,587.64 : x
  2. Step 2: Convert to fraction form
    7,480.48/11,203.68 = 3,587.64/x
  3. Step 3: Cross multiply
    7,480.48x = 11,203.68 × 3,587.64
  4. Step 4: Simplify right side
    7,480.48x = 40,194,770.52
  5. Step 5: Solve for x
    x = 40,194,770.52/7,480.48
  6. Step 6: Final answer
    x = 5,373.29

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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.