Home / 5,407.39-7,462.21-3,168.82

Finding the Fourth Proportional to 5,407.39, 7,462.21 and 3,168.82

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Solution

The fourth proportional to 5,407.39, 7,462.21 and 3,168.82 is: 4,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.39 : 7,462.21 = 3,168.82 : x
  2. Step 2: Convert to fraction form
    5,407.39/7,462.21 = 3,168.82/x
  3. Step 3: Cross multiply
    5,407.39x = 7,462.21 × 3,168.82
  4. Step 4: Simplify right side
    5,407.39x = 23,646,400.29
  5. Step 5: Solve for x
    x = 23,646,400.29/5,407.39
  6. Step 6: Final answer
    x = 4,372.98

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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.