Home / 5,385.23-7,432.26-3,028.13

Finding the Fourth Proportional to 5,385.23, 7,432.26 and 3,028.13

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Solution

The fourth proportional to 5,385.23, 7,432.26 and 3,028.13 is: 4,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.23 : 7,432.26 = 3,028.13 : x
  2. Step 2: Convert to fraction form
    5,385.23/7,432.26 = 3,028.13/x
  3. Step 3: Cross multiply
    5,385.23x = 7,432.26 × 3,028.13
  4. Step 4: Simplify right side
    5,385.23x = 22,505,870.63
  5. Step 5: Solve for x
    x = 22,505,870.63/5,385.23
  6. Step 6: Final answer
    x = 4,179.18

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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.