Home / 5,657.30-8,485.95-2,372.75

Finding the Fourth Proportional to 5,657.30, 8,485.95 and 2,372.75

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Solution

The fourth proportional to 5,657.30, 8,485.95 and 2,372.75 is: 3,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.30 : 8,485.95 = 2,372.75 : x
  2. Step 2: Convert to fraction form
    5,657.30/8,485.95 = 2,372.75/x
  3. Step 3: Cross multiply
    5,657.30x = 8,485.95 × 2,372.75
  4. Step 4: Simplify right side
    5,657.30x = 20,135,037.86
  5. Step 5: Solve for x
    x = 20,135,037.86/5,657.30
  6. Step 6: Final answer
    x = 3,559.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.