Home / 4,750.30-7,125.45-3,195.10

Finding the Fourth Proportional to 4,750.30, 7,125.45 and 3,195.10

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Solution

The fourth proportional to 4,750.30, 7,125.45 and 3,195.10 is: 4,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.30 : 7,125.45 = 3,195.10 : x
  2. Step 2: Convert to fraction form
    4,750.30/7,125.45 = 3,195.10/x
  3. Step 3: Cross multiply
    4,750.30x = 7,125.45 × 3,195.10
  4. Step 4: Simplify right side
    4,750.30x = 22,766,525.30
  5. Step 5: Solve for x
    x = 22,766,525.30/4,750.30
  6. Step 6: Final answer
    x = 4,792.65

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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.