Home / 3,037.96-4,192.13-1,778.84

Finding the Fourth Proportional to 3,037.96, 4,192.13 and 1,778.84

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Solution

The fourth proportional to 3,037.96, 4,192.13 and 1,778.84 is: 2,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.96 : 4,192.13 = 1,778.84 : x
  2. Step 2: Convert to fraction form
    3,037.96/4,192.13 = 1,778.84/x
  3. Step 3: Cross multiply
    3,037.96x = 4,192.13 × 1,778.84
  4. Step 4: Simplify right side
    3,037.96x = 7,457,119.64
  5. Step 5: Solve for x
    x = 7,457,119.64/3,037.96
  6. Step 6: Final answer
    x = 2,454.65

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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.