Home / 5,515.13-7,610.78-3,277.10

Finding the Fourth Proportional to 5,515.13, 7,610.78 and 3,277.10

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Solution

The fourth proportional to 5,515.13, 7,610.78 and 3,277.10 is: 4,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.13 : 7,610.78 = 3,277.10 : x
  2. Step 2: Convert to fraction form
    5,515.13/7,610.78 = 3,277.10/x
  3. Step 3: Cross multiply
    5,515.13x = 7,610.78 × 3,277.10
  4. Step 4: Simplify right side
    5,515.13x = 24,941,287.14
  5. Step 5: Solve for x
    x = 24,941,287.14/5,515.13
  6. Step 6: Final answer
    x = 4,522.34

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Half scale
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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.