Home / 5,007.52-6,909.61-2,882.64

Finding the Fourth Proportional to 5,007.52, 6,909.61 and 2,882.64

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Solution

The fourth proportional to 5,007.52, 6,909.61 and 2,882.64 is: 3,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.52 : 6,909.61 = 2,882.64 : x
  2. Step 2: Convert to fraction form
    5,007.52/6,909.61 = 2,882.64/x
  3. Step 3: Cross multiply
    5,007.52x = 6,909.61 × 2,882.64
  4. Step 4: Simplify right side
    5,007.52x = 19,917,936.53
  5. Step 5: Solve for x
    x = 19,917,936.53/5,007.52
  6. Step 6: Final answer
    x = 3,977.60

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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.