Home / 4,037.60-6,060.24-2,091.20

Finding the Fourth Proportional to 4,037.60, 6,060.24 and 2,091.20

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Solution

The fourth proportional to 4,037.60, 6,060.24 and 2,091.20 is: 3,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,037.60 : 6,060.24 = 2,091.20 : x
  2. Step 2: Convert to fraction form
    4,037.60/6,060.24 = 2,091.20/x
  3. Step 3: Cross multiply
    4,037.60x = 6,060.24 × 2,091.20
  4. Step 4: Simplify right side
    4,037.60x = 12,673,173.89
  5. Step 5: Solve for x
    x = 12,673,173.89/4,037.60
  6. Step 6: Final answer
    x = 3,138.79

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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.