Home / 3,330.79-4,592.22-2,731.08

Finding the Fourth Proportional to 3,330.79, 4,592.22 and 2,731.08

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Solution

The fourth proportional to 3,330.79, 4,592.22 and 2,731.08 is: 3,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.79 : 4,592.22 = 2,731.08 : x
  2. Step 2: Convert to fraction form
    3,330.79/4,592.22 = 2,731.08/x
  3. Step 3: Cross multiply
    3,330.79x = 4,592.22 × 2,731.08
  4. Step 4: Simplify right side
    3,330.79x = 12,541,720.20
  5. Step 5: Solve for x
    x = 12,541,720.20/3,330.79
  6. Step 6: Final answer
    x = 3,765.39

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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.