Home / 5,225.53-7,211.28-2,867.76

Finding the Fourth Proportional to 5,225.53, 7,211.28 and 2,867.76

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Solution

The fourth proportional to 5,225.53, 7,211.28 and 2,867.76 is: 3,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.53 : 7,211.28 = 2,867.76 : x
  2. Step 2: Convert to fraction form
    5,225.53/7,211.28 = 2,867.76/x
  3. Step 3: Cross multiply
    5,225.53x = 7,211.28 × 2,867.76
  4. Step 4: Simplify right side
    5,225.53x = 20,680,220.33
  5. Step 5: Solve for x
    x = 20,680,220.33/5,225.53
  6. Step 6: Final answer
    x = 3,957.54

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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.