Home / 3,074.46-4,608.85-1,225.13

Finding the Fourth Proportional to 3,074.46, 4,608.85 and 1,225.13

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Solution

The fourth proportional to 3,074.46, 4,608.85 and 1,225.13 is: 1,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.46 : 4,608.85 = 1,225.13 : x
  2. Step 2: Convert to fraction form
    3,074.46/4,608.85 = 1,225.13/x
  3. Step 3: Cross multiply
    3,074.46x = 4,608.85 × 1,225.13
  4. Step 4: Simplify right side
    3,074.46x = 5,646,416.59
  5. Step 5: Solve for x
    x = 5,646,416.59/3,074.46
  6. Step 6: Final answer
    x = 1,836.56

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Double scale
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Similar ratio
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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.