Home / 3,534.54-4,877.78-2,340.55

Finding the Fourth Proportional to 3,534.54, 4,877.78 and 2,340.55

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Solution

The fourth proportional to 3,534.54, 4,877.78 and 2,340.55 is: 3,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.54 : 4,877.78 = 2,340.55 : x
  2. Step 2: Convert to fraction form
    3,534.54/4,877.78 = 2,340.55/x
  3. Step 3: Cross multiply
    3,534.54x = 4,877.78 × 2,340.55
  4. Step 4: Simplify right side
    3,534.54x = 11,416,687.98
  5. Step 5: Solve for x
    x = 11,416,687.98/3,534.54
  6. Step 6: Final answer
    x = 3,230.04

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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.