Home / 3,244.23-4,478.37-2,196.90

Finding the Fourth Proportional to 3,244.23, 4,478.37 and 2,196.90

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Solution

The fourth proportional to 3,244.23, 4,478.37 and 2,196.90 is: 3,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.23 : 4,478.37 = 2,196.90 : x
  2. Step 2: Convert to fraction form
    3,244.23/4,478.37 = 2,196.90/x
  3. Step 3: Cross multiply
    3,244.23x = 4,478.37 × 2,196.90
  4. Step 4: Simplify right side
    3,244.23x = 9,838,531.05
  5. Step 5: Solve for x
    x = 9,838,531.05/3,244.23
  6. Step 6: Final answer
    x = 3,032.62

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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.