Home / 2,350.07-3,520.75-1,178.71

Finding the Fourth Proportional to 2,350.07, 3,520.75 and 1,178.71

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Solution

The fourth proportional to 2,350.07, 3,520.75 and 1,178.71 is: 1,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.07 : 3,520.75 = 1,178.71 : x
  2. Step 2: Convert to fraction form
    2,350.07/3,520.75 = 1,178.71/x
  3. Step 3: Cross multiply
    2,350.07x = 3,520.75 × 1,178.71
  4. Step 4: Simplify right side
    2,350.07x = 4,149,943.23
  5. Step 5: Solve for x
    x = 4,149,943.23/2,350.07
  6. Step 6: Final answer
    x = 1,765.88

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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.