Home / 7,191.14-10,785.98-2,510.70

Finding the Fourth Proportional to 7,191.14, 10,785.98 and 2,510.70

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Solution

The fourth proportional to 7,191.14, 10,785.98 and 2,510.70 is: 3,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.14 : 10,785.98 = 2,510.70 : x
  2. Step 2: Convert to fraction form
    7,191.14/10,785.98 = 2,510.70/x
  3. Step 3: Cross multiply
    7,191.14x = 10,785.98 × 2,510.70
  4. Step 4: Simplify right side
    7,191.14x = 27,080,359.99
  5. Step 5: Solve for x
    x = 27,080,359.99/7,191.14
  6. Step 6: Final answer
    x = 3,765.80

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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.