Home / 5,294.28-7,941.36-1,831.48

Finding the Fourth Proportional to 5,294.28, 7,941.36 and 1,831.48

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Solution

The fourth proportional to 5,294.28, 7,941.36 and 1,831.48 is: 2,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.28 : 7,941.36 = 1,831.48 : x
  2. Step 2: Convert to fraction form
    5,294.28/7,941.36 = 1,831.48/x
  3. Step 3: Cross multiply
    5,294.28x = 7,941.36 × 1,831.48
  4. Step 4: Simplify right side
    5,294.28x = 14,544,442.01
  5. Step 5: Solve for x
    x = 14,544,442.01/5,294.28
  6. Step 6: Final answer
    x = 2,747.20

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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.