Home / 5,247.33-7,871.76-1,737.71

Finding the Fourth Proportional to 5,247.33, 7,871.76 and 1,737.71

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Solution

The fourth proportional to 5,247.33, 7,871.76 and 1,737.71 is: 2,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.33 : 7,871.76 = 1,737.71 : x
  2. Step 2: Convert to fraction form
    5,247.33/7,871.76 = 1,737.71/x
  3. Step 3: Cross multiply
    5,247.33x = 7,871.76 × 1,737.71
  4. Step 4: Simplify right side
    5,247.33x = 13,678,796.71
  5. Step 5: Solve for x
    x = 13,678,796.71/5,247.33
  6. Step 6: Final answer
    x = 2,606.81

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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.