Home / 5,087.41-7,018.45-3,197.68

Finding the Fourth Proportional to 5,087.41, 7,018.45 and 3,197.68

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Solution

The fourth proportional to 5,087.41, 7,018.45 and 3,197.68 is: 4,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.41 : 7,018.45 = 3,197.68 : x
  2. Step 2: Convert to fraction form
    5,087.41/7,018.45 = 3,197.68/x
  3. Step 3: Cross multiply
    5,087.41x = 7,018.45 × 3,197.68
  4. Step 4: Simplify right side
    5,087.41x = 22,442,731.66
  5. Step 5: Solve for x
    x = 22,442,731.66/5,087.41
  6. Step 6: Final answer
    x = 4,411.43

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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.