Home / 5,872.23-8,102.66-3,881.75

Finding the Fourth Proportional to 5,872.23, 8,102.66 and 3,881.75

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Solution

The fourth proportional to 5,872.23, 8,102.66 and 3,881.75 is: 5,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.23 : 8,102.66 = 3,881.75 : x
  2. Step 2: Convert to fraction form
    5,872.23/8,102.66 = 3,881.75/x
  3. Step 3: Cross multiply
    5,872.23x = 8,102.66 × 3,881.75
  4. Step 4: Simplify right side
    5,872.23x = 31,452,440.53
  5. Step 5: Solve for x
    x = 31,452,440.53/5,872.23
  6. Step 6: Final answer
    x = 5,356.13

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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.