Home / 5,247.44-7,871.76-1,737.91

Finding the Fourth Proportional to 5,247.44, 7,871.76 and 1,737.91

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Solution

The fourth proportional to 5,247.44, 7,871.76 and 1,737.91 is: 2,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.44 : 7,871.76 = 1,737.91 : x
  2. Step 2: Convert to fraction form
    5,247.44/7,871.76 = 1,737.91/x
  3. Step 3: Cross multiply
    5,247.44x = 7,871.76 × 1,737.91
  4. Step 4: Simplify right side
    5,247.44x = 13,680,410.42
  5. Step 5: Solve for x
    x = 13,680,410.42/5,247.44
  6. Step 6: Final answer
    x = 2,607.06

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1.5x scale

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.