Home / 4,656.25-6,986.40-2,318.59

Finding the Fourth Proportional to 4,656.25, 6,986.40 and 2,318.59

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Solution

The fourth proportional to 4,656.25, 6,986.40 and 2,318.59 is: 3,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.25 : 6,986.40 = 2,318.59 : x
  2. Step 2: Convert to fraction form
    4,656.25/6,986.40 = 2,318.59/x
  3. Step 3: Cross multiply
    4,656.25x = 6,986.40 × 2,318.59
  4. Step 4: Simplify right side
    4,656.25x = 16,198,597.18
  5. Step 5: Solve for x
    x = 16,198,597.18/4,656.25
  6. Step 6: Final answer
    x = 3,478.89

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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.