Home / 3,076.84-4,613.05-1,432.49

Finding the Fourth Proportional to 3,076.84, 4,613.05 and 1,432.49

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Solution

The fourth proportional to 3,076.84, 4,613.05 and 1,432.49 is: 2,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.84 : 4,613.05 = 1,432.49 : x
  2. Step 2: Convert to fraction form
    3,076.84/4,613.05 = 1,432.49/x
  3. Step 3: Cross multiply
    3,076.84x = 4,613.05 × 1,432.49
  4. Step 4: Simplify right side
    3,076.84x = 6,608,126.72
  5. Step 5: Solve for x
    x = 6,608,126.72/3,076.84
  6. Step 6: Final answer
    x = 2,147.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.