Home / 2,229.47-3,325.34-2,100.98

Finding the Fourth Proportional to 2,229.47, 3,325.34 and 2,100.98

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Solution

The fourth proportional to 2,229.47, 3,325.34 and 2,100.98 is: 3,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.47 : 3,325.34 = 2,100.98 : x
  2. Step 2: Convert to fraction form
    2,229.47/3,325.34 = 2,100.98/x
  3. Step 3: Cross multiply
    2,229.47x = 3,325.34 × 2,100.98
  4. Step 4: Simplify right side
    2,229.47x = 6,986,445.70
  5. Step 5: Solve for x
    x = 6,986,445.70/2,229.47
  6. Step 6: Final answer
    x = 3,133.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.