Home / 5,232.11-7,218.99-3,107.52

Finding the Fourth Proportional to 5,232.11, 7,218.99 and 3,107.52

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Solution

The fourth proportional to 5,232.11, 7,218.99 and 3,107.52 is: 4,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.11 : 7,218.99 = 3,107.52 : x
  2. Step 2: Convert to fraction form
    5,232.11/7,218.99 = 3,107.52/x
  3. Step 3: Cross multiply
    5,232.11x = 7,218.99 × 3,107.52
  4. Step 4: Simplify right side
    5,232.11x = 22,433,155.80
  5. Step 5: Solve for x
    x = 22,433,155.80/5,232.11
  6. Step 6: Final answer
    x = 4,287.60

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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.