Home / 3,526.57-5,290.04-2,909.15

Finding the Fourth Proportional to 3,526.57, 5,290.04 and 2,909.15

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Solution

The fourth proportional to 3,526.57, 5,290.04 and 2,909.15 is: 4,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.57 : 5,290.04 = 2,909.15 : x
  2. Step 2: Convert to fraction form
    3,526.57/5,290.04 = 2,909.15/x
  3. Step 3: Cross multiply
    3,526.57x = 5,290.04 × 2,909.15
  4. Step 4: Simplify right side
    3,526.57x = 15,389,520.53
  5. Step 5: Solve for x
    x = 15,389,520.53/3,526.57
  6. Step 6: Final answer
    x = 4,363.88

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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.