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Finding the Fourth Proportional to 2,508.76, 3,462.11 and 1,513.86

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Solution

The fourth proportional to 2,508.76, 3,462.11 and 1,513.86 is: 2,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.76 : 3,462.11 = 1,513.86 : x
  2. Step 2: Convert to fraction form
    2,508.76/3,462.11 = 1,513.86/x
  3. Step 3: Cross multiply
    2,508.76x = 3,462.11 × 1,513.86
  4. Step 4: Simplify right side
    2,508.76x = 5,241,149.84
  5. Step 5: Solve for x
    x = 5,241,149.84/2,508.76
  6. Step 6: Final answer
    x = 2,089.14

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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.