Home / 4,058.81-6,086.54-1,978.22

Finding the Fourth Proportional to 4,058.81, 6,086.54 and 1,978.22

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Solution

The fourth proportional to 4,058.81, 6,086.54 and 1,978.22 is: 2,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,058.81 : 6,086.54 = 1,978.22 : x
  2. Step 2: Convert to fraction form
    4,058.81/6,086.54 = 1,978.22/x
  3. Step 3: Cross multiply
    4,058.81x = 6,086.54 × 1,978.22
  4. Step 4: Simplify right side
    4,058.81x = 12,040,474.84
  5. Step 5: Solve for x
    x = 12,040,474.84/4,058.81
  6. Step 6: Final answer
    x = 2,966.51

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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.