Home / 2,320.85-3,497.24-1,919.03

Finding the Fourth Proportional to 2,320.85, 3,497.24 and 1,919.03

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Solution

The fourth proportional to 2,320.85, 3,497.24 and 1,919.03 is: 2,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.85 : 3,497.24 = 1,919.03 : x
  2. Step 2: Convert to fraction form
    2,320.85/3,497.24 = 1,919.03/x
  3. Step 3: Cross multiply
    2,320.85x = 3,497.24 × 1,919.03
  4. Step 4: Simplify right side
    2,320.85x = 6,711,295.79
  5. Step 5: Solve for x
    x = 6,711,295.79/2,320.85
  6. Step 6: Final answer
    x = 2,891.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.