Home / 5,900.47-8,142.39-3,247.92

Finding the Fourth Proportional to 5,900.47, 8,142.39 and 3,247.92

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Solution

The fourth proportional to 5,900.47, 8,142.39 and 3,247.92 is: 4,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.47 : 8,142.39 = 3,247.92 : x
  2. Step 2: Convert to fraction form
    5,900.47/8,142.39 = 3,247.92/x
  3. Step 3: Cross multiply
    5,900.47x = 8,142.39 × 3,247.92
  4. Step 4: Simplify right side
    5,900.47x = 26,445,831.33
  5. Step 5: Solve for x
    x = 26,445,831.33/5,900.47
  6. Step 6: Final answer
    x = 4,481.99

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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.