Home / 3,569.60-5,354.40-2,403.20

Finding the Fourth Proportional to 3,569.60, 5,354.40 and 2,403.20

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Solution

The fourth proportional to 3,569.60, 5,354.40 and 2,403.20 is: 3,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.60 : 5,354.40 = 2,403.20 : x
  2. Step 2: Convert to fraction form
    3,569.60/5,354.40 = 2,403.20/x
  3. Step 3: Cross multiply
    3,569.60x = 5,354.40 × 2,403.20
  4. Step 4: Simplify right side
    3,569.60x = 12,867,694.08
  5. Step 5: Solve for x
    x = 12,867,694.08/3,569.60
  6. Step 6: Final answer
    x = 3,604.80

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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.