Home / 4,171.95-5,757.90-2,403.21

Finding the Fourth Proportional to 4,171.95, 5,757.90 and 2,403.21

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Solution

The fourth proportional to 4,171.95, 5,757.90 and 2,403.21 is: 3,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.95 : 5,757.90 = 2,403.21 : x
  2. Step 2: Convert to fraction form
    4,171.95/5,757.90 = 2,403.21/x
  3. Step 3: Cross multiply
    4,171.95x = 5,757.90 × 2,403.21
  4. Step 4: Simplify right side
    4,171.95x = 13,837,442.86
  5. Step 5: Solve for x
    x = 13,837,442.86/4,171.95
  6. Step 6: Final answer
    x = 3,316.78

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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.