Home / 2,613.87-3,607.34-2,455.52

Finding the Fourth Proportional to 2,613.87, 3,607.34 and 2,455.52

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Solution

The fourth proportional to 2,613.87, 3,607.34 and 2,455.52 is: 3,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.87 : 3,607.34 = 2,455.52 : x
  2. Step 2: Convert to fraction form
    2,613.87/3,607.34 = 2,455.52/x
  3. Step 3: Cross multiply
    2,613.87x = 3,607.34 × 2,455.52
  4. Step 4: Simplify right side
    2,613.87x = 8,857,865.20
  5. Step 5: Solve for x
    x = 8,857,865.20/2,613.87
  6. Step 6: Final answer
    x = 3,388.79

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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.