Home / 4,679.18-6,458.35-3,086.11

Finding the Fourth Proportional to 4,679.18, 6,458.35 and 3,086.11

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Solution

The fourth proportional to 4,679.18, 6,458.35 and 3,086.11 is: 4,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.18 : 6,458.35 = 3,086.11 : x
  2. Step 2: Convert to fraction form
    4,679.18/6,458.35 = 3,086.11/x
  3. Step 3: Cross multiply
    4,679.18x = 6,458.35 × 3,086.11
  4. Step 4: Simplify right side
    4,679.18x = 19,931,154.66
  5. Step 5: Solve for x
    x = 19,931,154.66/4,679.18
  6. Step 6: Final answer
    x = 4,259.54

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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.