Home / 5,225.79-7,831.62-2,882.28

Finding the Fourth Proportional to 5,225.79, 7,831.62 and 2,882.28

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Solution

The fourth proportional to 5,225.79, 7,831.62 and 2,882.28 is: 4,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.79 : 7,831.62 = 2,882.28 : x
  2. Step 2: Convert to fraction form
    5,225.79/7,831.62 = 2,882.28/x
  3. Step 3: Cross multiply
    5,225.79x = 7,831.62 × 2,882.28
  4. Step 4: Simplify right side
    5,225.79x = 22,572,963.22
  5. Step 5: Solve for x
    x = 22,572,963.22/5,225.79
  6. Step 6: Final answer
    x = 4,319.53

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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.