Home / 5,084.84-7,627.28-2,165.60

Finding the Fourth Proportional to 5,084.84, 7,627.28 and 2,165.60

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Solution

The fourth proportional to 5,084.84, 7,627.28 and 2,165.60 is: 3,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.84 : 7,627.28 = 2,165.60 : x
  2. Step 2: Convert to fraction form
    5,084.84/7,627.28 = 2,165.60/x
  3. Step 3: Cross multiply
    5,084.84x = 7,627.28 × 2,165.60
  4. Step 4: Simplify right side
    5,084.84x = 16,517,637.57
  5. Step 5: Solve for x
    x = 16,517,637.57/5,084.84
  6. Step 6: Final answer
    x = 3,248.41

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1.5x scale

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.