Home / 4,664.53-6,436.57-2,871.72

Finding the Fourth Proportional to 4,664.53, 6,436.57 and 2,871.72

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Solution

The fourth proportional to 4,664.53, 6,436.57 and 2,871.72 is: 3,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.53 : 6,436.57 = 2,871.72 : x
  2. Step 2: Convert to fraction form
    4,664.53/6,436.57 = 2,871.72/x
  3. Step 3: Cross multiply
    4,664.53x = 6,436.57 × 2,871.72
  4. Step 4: Simplify right side
    4,664.53x = 18,484,024.78
  5. Step 5: Solve for x
    x = 18,484,024.78/4,664.53
  6. Step 6: Final answer
    x = 3,962.68

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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.