Home / 5,391.83-7,440.53-3,001.73

Finding the Fourth Proportional to 5,391.83, 7,440.53 and 3,001.73

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Solution

The fourth proportional to 5,391.83, 7,440.53 and 3,001.73 is: 4,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.83 : 7,440.53 = 3,001.73 : x
  2. Step 2: Convert to fraction form
    5,391.83/7,440.53 = 3,001.73/x
  3. Step 3: Cross multiply
    5,391.83x = 7,440.53 × 3,001.73
  4. Step 4: Simplify right side
    5,391.83x = 22,334,409.91
  5. Step 5: Solve for x
    x = 22,334,409.91/5,391.83
  6. Step 6: Final answer
    x = 4,142.27

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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.