Home / 5,261.10-7,872.18-4,327.98

Finding the Fourth Proportional to 5,261.10, 7,872.18 and 4,327.98

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Solution

The fourth proportional to 5,261.10, 7,872.18 and 4,327.98 is: 6,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.10 : 7,872.18 = 4,327.98 : x
  2. Step 2: Convert to fraction form
    5,261.10/7,872.18 = 4,327.98/x
  3. Step 3: Cross multiply
    5,261.10x = 7,872.18 × 4,327.98
  4. Step 4: Simplify right side
    5,261.10x = 34,070,637.60
  5. Step 5: Solve for x
    x = 34,070,637.60/5,261.10
  6. Step 6: Final answer
    x = 6,475.95

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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.