Home / 5,302.75-7,318.47-3,206.89

Finding the Fourth Proportional to 5,302.75, 7,318.47 and 3,206.89

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Solution

The fourth proportional to 5,302.75, 7,318.47 and 3,206.89 is: 4,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.75 : 7,318.47 = 3,206.89 : x
  2. Step 2: Convert to fraction form
    5,302.75/7,318.47 = 3,206.89/x
  3. Step 3: Cross multiply
    5,302.75x = 7,318.47 × 3,206.89
  4. Step 4: Simplify right side
    5,302.75x = 23,469,528.26
  5. Step 5: Solve for x
    x = 23,469,528.26/5,302.75
  6. Step 6: Final answer
    x = 4,425.92

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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.