Home / 5,357.28-7,391.76-2,999.04

Finding the Fourth Proportional to 5,357.28, 7,391.76 and 2,999.04

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Solution

The fourth proportional to 5,357.28, 7,391.76 and 2,999.04 is: 4,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.28 : 7,391.76 = 2,999.04 : x
  2. Step 2: Convert to fraction form
    5,357.28/7,391.76 = 2,999.04/x
  3. Step 3: Cross multiply
    5,357.28x = 7,391.76 × 2,999.04
  4. Step 4: Simplify right side
    5,357.28x = 22,168,183.91
  5. Step 5: Solve for x
    x = 22,168,183.91/5,357.28
  6. Step 6: Final answer
    x = 4,137.96

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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.