Home / 3,476.28-5,209.20-2,088.12

Finding the Fourth Proportional to 3,476.28, 5,209.20 and 2,088.12

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Solution

The fourth proportional to 3,476.28, 5,209.20 and 2,088.12 is: 3,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.28 : 5,209.20 = 2,088.12 : x
  2. Step 2: Convert to fraction form
    3,476.28/5,209.20 = 2,088.12/x
  3. Step 3: Cross multiply
    3,476.28x = 5,209.20 × 2,088.12
  4. Step 4: Simplify right side
    3,476.28x = 10,877,434.70
  5. Step 5: Solve for x
    x = 10,877,434.70/3,476.28
  6. Step 6: Final answer
    x = 3,129.04

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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.