Home / 4,080.59-5,631.30-2,217.59

Finding the Fourth Proportional to 4,080.59, 5,631.30 and 2,217.59

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Solution

The fourth proportional to 4,080.59, 5,631.30 and 2,217.59 is: 3,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.59 : 5,631.30 = 2,217.59 : x
  2. Step 2: Convert to fraction form
    4,080.59/5,631.30 = 2,217.59/x
  3. Step 3: Cross multiply
    4,080.59x = 5,631.30 × 2,217.59
  4. Step 4: Simplify right side
    4,080.59x = 12,487,886.41
  5. Step 5: Solve for x
    x = 12,487,886.41/4,080.59
  6. Step 6: Final answer
    x = 3,060.32

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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.