Home / 7,084.48-9,776.28-4,100.44

Finding the Fourth Proportional to 7,084.48, 9,776.28 and 4,100.44

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Solution

The fourth proportional to 7,084.48, 9,776.28 and 4,100.44 is: 5,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.48 : 9,776.28 = 4,100.44 : x
  2. Step 2: Convert to fraction form
    7,084.48/9,776.28 = 4,100.44/x
  3. Step 3: Cross multiply
    7,084.48x = 9,776.28 × 4,100.44
  4. Step 4: Simplify right side
    7,084.48x = 40,087,049.56
  5. Step 5: Solve for x
    x = 40,087,049.56/7,084.48
  6. Step 6: Final answer
    x = 5,658.43

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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.