Home / 2,655.22-3,653.49-2,587.38

Finding the Fourth Proportional to 2,655.22, 3,653.49 and 2,587.38

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Solution

The fourth proportional to 2,655.22, 3,653.49 and 2,587.38 is: 3,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.22 : 3,653.49 = 2,587.38 : x
  2. Step 2: Convert to fraction form
    2,655.22/3,653.49 = 2,587.38/x
  3. Step 3: Cross multiply
    2,655.22x = 3,653.49 × 2,587.38
  4. Step 4: Simplify right side
    2,655.22x = 9,452,966.96
  5. Step 5: Solve for x
    x = 9,452,966.96/2,655.22
  6. Step 6: Final answer
    x = 3,560.14

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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.