Home / 3,037.30-4,191.13-1,711.12

Finding the Fourth Proportional to 3,037.30, 4,191.13 and 1,711.12

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Solution

The fourth proportional to 3,037.30, 4,191.13 and 1,711.12 is: 2,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.30 : 4,191.13 = 1,711.12 : x
  2. Step 2: Convert to fraction form
    3,037.30/4,191.13 = 1,711.12/x
  3. Step 3: Cross multiply
    3,037.30x = 4,191.13 × 1,711.12
  4. Step 4: Simplify right side
    3,037.30x = 7,171,526.37
  5. Step 5: Solve for x
    x = 7,171,526.37/3,037.30
  6. Step 6: Final answer
    x = 2,361.15

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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.