Home / 4,715.60-7,076.10-3,255.80

Finding the Fourth Proportional to 4,715.60, 7,076.10 and 3,255.80

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Solution

The fourth proportional to 4,715.60, 7,076.10 and 3,255.80 is: 4,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.60 : 7,076.10 = 3,255.80 : x
  2. Step 2: Convert to fraction form
    4,715.60/7,076.10 = 3,255.80/x
  3. Step 3: Cross multiply
    4,715.60x = 7,076.10 × 3,255.80
  4. Step 4: Simplify right side
    4,715.60x = 23,038,366.38
  5. Step 5: Solve for x
    x = 23,038,366.38/4,715.60
  6. Step 6: Final answer
    x = 4,885.56

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1.5x scale

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.