Home / 5,007.15-6,909.30-2,882.25

Finding the Fourth Proportional to 5,007.15, 6,909.30 and 2,882.25

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Solution

The fourth proportional to 5,007.15, 6,909.30 and 2,882.25 is: 3,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.15 : 6,909.30 = 2,882.25 : x
  2. Step 2: Convert to fraction form
    5,007.15/6,909.30 = 2,882.25/x
  3. Step 3: Cross multiply
    5,007.15x = 6,909.30 × 2,882.25
  4. Step 4: Simplify right side
    5,007.15x = 19,914,329.93
  5. Step 5: Solve for x
    x = 19,914,329.93/5,007.15
  6. Step 6: Final answer
    x = 3,977.18

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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.