Home / 3,905.70-5,860.92-2,058.12

Finding the Fourth Proportional to 3,905.70, 5,860.92 and 2,058.12

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Solution

The fourth proportional to 3,905.70, 5,860.92 and 2,058.12 is: 3,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.70 : 5,860.92 = 2,058.12 : x
  2. Step 2: Convert to fraction form
    3,905.70/5,860.92 = 2,058.12/x
  3. Step 3: Cross multiply
    3,905.70x = 5,860.92 × 2,058.12
  4. Step 4: Simplify right side
    3,905.70x = 12,062,476.67
  5. Step 5: Solve for x
    x = 12,062,476.67/3,905.70
  6. Step 6: Final answer
    x = 3,088.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.