Home / 5,500.14-7,587.51-3,141.66

Finding the Fourth Proportional to 5,500.14, 7,587.51 and 3,141.66

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Solution

The fourth proportional to 5,500.14, 7,587.51 and 3,141.66 is: 4,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.14 : 7,587.51 = 3,141.66 : x
  2. Step 2: Convert to fraction form
    5,500.14/7,587.51 = 3,141.66/x
  3. Step 3: Cross multiply
    5,500.14x = 7,587.51 × 3,141.66
  4. Step 4: Simplify right side
    5,500.14x = 23,837,376.67
  5. Step 5: Solve for x
    x = 23,837,376.67/5,500.14
  6. Step 6: Final answer
    x = 4,333.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.