Home / 2,358.97-3,254.34-1,611.70

Finding the Fourth Proportional to 2,358.97, 3,254.34 and 1,611.70

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Solution

The fourth proportional to 2,358.97, 3,254.34 and 1,611.70 is: 2,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.97 : 3,254.34 = 1,611.70 : x
  2. Step 2: Convert to fraction form
    2,358.97/3,254.34 = 1,611.70/x
  3. Step 3: Cross multiply
    2,358.97x = 3,254.34 × 1,611.70
  4. Step 4: Simplify right side
    2,358.97x = 5,245,019.78
  5. Step 5: Solve for x
    x = 5,245,019.78/2,358.97
  6. Step 6: Final answer
    x = 2,223.44

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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.