Home / 5,058.18-6,958.71-3,877.20

Finding the Fourth Proportional to 5,058.18, 6,958.71 and 3,877.20

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Solution

The fourth proportional to 5,058.18, 6,958.71 and 3,877.20 is: 5,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.18 : 6,958.71 = 3,877.20 : x
  2. Step 2: Convert to fraction form
    5,058.18/6,958.71 = 3,877.20/x
  3. Step 3: Cross multiply
    5,058.18x = 6,958.71 × 3,877.20
  4. Step 4: Simplify right side
    5,058.18x = 26,980,310.41
  5. Step 5: Solve for x
    x = 26,980,310.41/5,058.18
  6. Step 6: Final answer
    x = 5,334.00

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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.