Home / 4,711.32-7,052.40-4,308.12

Finding the Fourth Proportional to 4,711.32, 7,052.40 and 4,308.12

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Solution

The fourth proportional to 4,711.32, 7,052.40 and 4,308.12 is: 6,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.32 : 7,052.40 = 4,308.12 : x
  2. Step 2: Convert to fraction form
    4,711.32/7,052.40 = 4,308.12/x
  3. Step 3: Cross multiply
    4,711.32x = 7,052.40 × 4,308.12
  4. Step 4: Simplify right side
    4,711.32x = 30,382,585.49
  5. Step 5: Solve for x
    x = 30,382,585.49/4,711.32
  6. Step 6: Final answer
    x = 6,448.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.