Home / 5,569.54-8,348.76-2,787.72

Finding the Fourth Proportional to 5,569.54, 8,348.76 and 2,787.72

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Solution

The fourth proportional to 5,569.54, 8,348.76 and 2,787.72 is: 4,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.54 : 8,348.76 = 2,787.72 : x
  2. Step 2: Convert to fraction form
    5,569.54/8,348.76 = 2,787.72/x
  3. Step 3: Cross multiply
    5,569.54x = 8,348.76 × 2,787.72
  4. Step 4: Simplify right side
    5,569.54x = 23,274,005.23
  5. Step 5: Solve for x
    x = 23,274,005.23/5,569.54
  6. Step 6: Final answer
    x = 4,178.80

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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.