Home / 3,037.13-4,191.18-1,778.93

Finding the Fourth Proportional to 3,037.13, 4,191.18 and 1,778.93

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Solution

The fourth proportional to 3,037.13, 4,191.18 and 1,778.93 is: 2,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.13 : 4,191.18 = 1,778.93 : x
  2. Step 2: Convert to fraction form
    3,037.13/4,191.18 = 1,778.93/x
  3. Step 3: Cross multiply
    3,037.13x = 4,191.18 × 1,778.93
  4. Step 4: Simplify right side
    3,037.13x = 7,455,815.84
  5. Step 5: Solve for x
    x = 7,455,815.84/3,037.13
  6. Step 6: Final answer
    x = 2,454.89

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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.