Home / 5,222.46-7,211.36-3,461.92

Finding the Fourth Proportional to 5,222.46, 7,211.36 and 3,461.92

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Solution

The fourth proportional to 5,222.46, 7,211.36 and 3,461.92 is: 4,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.46 : 7,211.36 = 3,461.92 : x
  2. Step 2: Convert to fraction form
    5,222.46/7,211.36 = 3,461.92/x
  3. Step 3: Cross multiply
    5,222.46x = 7,211.36 × 3,461.92
  4. Step 4: Simplify right side
    5,222.46x = 24,965,151.41
  5. Step 5: Solve for x
    x = 24,965,151.41/5,222.46
  6. Step 6: Final answer
    x = 4,780.34

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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.