Home / 5,222.16-7,207.20-3,126.24

Finding the Fourth Proportional to 5,222.16, 7,207.20 and 3,126.24

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Solution

The fourth proportional to 5,222.16, 7,207.20 and 3,126.24 is: 4,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.16 : 7,207.20 = 3,126.24 : x
  2. Step 2: Convert to fraction form
    5,222.16/7,207.20 = 3,126.24/x
  3. Step 3: Cross multiply
    5,222.16x = 7,207.20 × 3,126.24
  4. Step 4: Simplify right side
    5,222.16x = 22,531,436.93
  5. Step 5: Solve for x
    x = 22,531,436.93/5,222.16
  6. Step 6: Final answer
    x = 4,314.58

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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.