Home / 5,239.11-7,233.15-3,645.16

Finding the Fourth Proportional to 5,239.11, 7,233.15 and 3,645.16

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Solution

The fourth proportional to 5,239.11, 7,233.15 and 3,645.16 is: 5,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.11 : 7,233.15 = 3,645.16 : x
  2. Step 2: Convert to fraction form
    5,239.11/7,233.15 = 3,645.16/x
  3. Step 3: Cross multiply
    5,239.11x = 7,233.15 × 3,645.16
  4. Step 4: Simplify right side
    5,239.11x = 26,365,989.05
  5. Step 5: Solve for x
    x = 26,365,989.05/5,239.11
  6. Step 6: Final answer
    x = 5,032.53

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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.