Home / 4,003.87-5,522.30-3,445.28

Finding the Fourth Proportional to 4,003.87, 5,522.30 and 3,445.28

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Solution

The fourth proportional to 4,003.87, 5,522.30 and 3,445.28 is: 4,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.87 : 5,522.30 = 3,445.28 : x
  2. Step 2: Convert to fraction form
    4,003.87/5,522.30 = 3,445.28/x
  3. Step 3: Cross multiply
    4,003.87x = 5,522.30 × 3,445.28
  4. Step 4: Simplify right side
    4,003.87x = 19,025,842.13
  5. Step 5: Solve for x
    x = 19,025,842.13/4,003.87
  6. Step 6: Final answer
    x = 4,751.86

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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.