Home / 4,784.59-7,170.20-2,318.75

Finding the Fourth Proportional to 4,784.59, 7,170.20 and 2,318.75

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Solution

The fourth proportional to 4,784.59, 7,170.20 and 2,318.75 is: 3,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.59 : 7,170.20 = 2,318.75 : x
  2. Step 2: Convert to fraction form
    4,784.59/7,170.20 = 2,318.75/x
  3. Step 3: Cross multiply
    4,784.59x = 7,170.20 × 2,318.75
  4. Step 4: Simplify right side
    4,784.59x = 16,625,889.66
  5. Step 5: Solve for x
    x = 16,625,889.66/4,784.59
  6. Step 6: Final answer
    x = 3,474.89

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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.