Home / 4,753.55-7,131.54-1,831.07

Finding the Fourth Proportional to 4,753.55, 7,131.54 and 1,831.07

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Solution

The fourth proportional to 4,753.55, 7,131.54 and 1,831.07 is: 2,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.55 : 7,131.54 = 1,831.07 : x
  2. Step 2: Convert to fraction form
    4,753.55/7,131.54 = 1,831.07/x
  3. Step 3: Cross multiply
    4,753.55x = 7,131.54 × 1,831.07
  4. Step 4: Simplify right side
    4,753.55x = 13,058,348.95
  5. Step 5: Solve for x
    x = 13,058,348.95/4,753.55
  6. Step 6: Final answer
    x = 2,747.07

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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.