Home / 5,900.19-8,138.07-3,881.17

Finding the Fourth Proportional to 5,900.19, 8,138.07 and 3,881.17

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Solution

The fourth proportional to 5,900.19, 8,138.07 and 3,881.17 is: 5,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.19 : 8,138.07 = 3,881.17 : x
  2. Step 2: Convert to fraction form
    5,900.19/8,138.07 = 3,881.17/x
  3. Step 3: Cross multiply
    5,900.19x = 8,138.07 × 3,881.17
  4. Step 4: Simplify right side
    5,900.19x = 31,585,197.54
  5. Step 5: Solve for x
    x = 31,585,197.54/5,900.19
  6. Step 6: Final answer
    x = 5,353.25

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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.