Home / 5,446.88-7,515.28-3,456.68

Finding the Fourth Proportional to 5,446.88, 7,515.28 and 3,456.68

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Solution

The fourth proportional to 5,446.88, 7,515.28 and 3,456.68 is: 4,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.88 : 7,515.28 = 3,456.68 : x
  2. Step 2: Convert to fraction form
    5,446.88/7,515.28 = 3,456.68/x
  3. Step 3: Cross multiply
    5,446.88x = 7,515.28 × 3,456.68
  4. Step 4: Simplify right side
    5,446.88x = 25,977,918.07
  5. Step 5: Solve for x
    x = 25,977,918.07/5,446.88
  6. Step 6: Final answer
    x = 4,769.32

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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.