Home / 5,065.91-6,988.56-3,296.87

Finding the Fourth Proportional to 5,065.91, 6,988.56 and 3,296.87

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Solution

The fourth proportional to 5,065.91, 6,988.56 and 3,296.87 is: 4,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.91 : 6,988.56 = 3,296.87 : x
  2. Step 2: Convert to fraction form
    5,065.91/6,988.56 = 3,296.87/x
  3. Step 3: Cross multiply
    5,065.91x = 6,988.56 × 3,296.87
  4. Step 4: Simplify right side
    5,065.91x = 23,040,338.86
  5. Step 5: Solve for x
    x = 23,040,338.86/5,065.91
  6. Step 6: Final answer
    x = 4,548.12

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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.