Home / 2,618.28-3,613.35-1,732.56

Finding the Fourth Proportional to 2,618.28, 3,613.35 and 1,732.56

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Solution

The fourth proportional to 2,618.28, 3,613.35 and 1,732.56 is: 2,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.28 : 3,613.35 = 1,732.56 : x
  2. Step 2: Convert to fraction form
    2,618.28/3,613.35 = 1,732.56/x
  3. Step 3: Cross multiply
    2,618.28x = 3,613.35 × 1,732.56
  4. Step 4: Simplify right side
    2,618.28x = 6,260,345.68
  5. Step 5: Solve for x
    x = 6,260,345.68/2,618.28
  6. Step 6: Final answer
    x = 2,391.01

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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.