Home / 5,831.59-8,045.03-3,942.48

Finding the Fourth Proportional to 5,831.59, 8,045.03 and 3,942.48

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Solution

The fourth proportional to 5,831.59, 8,045.03 and 3,942.48 is: 5,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.59 : 8,045.03 = 3,942.48 : x
  2. Step 2: Convert to fraction form
    5,831.59/8,045.03 = 3,942.48/x
  3. Step 3: Cross multiply
    5,831.59x = 8,045.03 × 3,942.48
  4. Step 4: Simplify right side
    5,831.59x = 31,717,369.87
  5. Step 5: Solve for x
    x = 31,717,369.87/5,831.59
  6. Step 6: Final answer
    x = 5,438.89

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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.