Home / 7,517.90-11,276.46-2,587.04

Finding the Fourth Proportional to 7,517.90, 11,276.46 and 2,587.04

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Solution

The fourth proportional to 7,517.90, 11,276.46 and 2,587.04 is: 3,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.90 : 11,276.46 = 2,587.04 : x
  2. Step 2: Convert to fraction form
    7,517.90/11,276.46 = 2,587.04/x
  3. Step 3: Cross multiply
    7,517.90x = 11,276.46 × 2,587.04
  4. Step 4: Simplify right side
    7,517.90x = 29,172,653.08
  5. Step 5: Solve for x
    x = 29,172,653.08/7,517.90
  6. Step 6: Final answer
    x = 3,880.43

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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.