Home / 5,753.45-8,628.35-2,831.38

Finding the Fourth Proportional to 5,753.45, 8,628.35 and 2,831.38

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Solution

The fourth proportional to 5,753.45, 8,628.35 and 2,831.38 is: 4,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.45 : 8,628.35 = 2,831.38 : x
  2. Step 2: Convert to fraction form
    5,753.45/8,628.35 = 2,831.38/x
  3. Step 3: Cross multiply
    5,753.45x = 8,628.35 × 2,831.38
  4. Step 4: Simplify right side
    5,753.45x = 24,430,101.90
  5. Step 5: Solve for x
    x = 24,430,101.90/5,753.45
  6. Step 6: Final answer
    x = 4,246.16

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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.