Home / 5,040.69-6,956.01-2,887.17

Finding the Fourth Proportional to 5,040.69, 6,956.01 and 2,887.17

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Solution

The fourth proportional to 5,040.69, 6,956.01 and 2,887.17 is: 3,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.69 : 6,956.01 = 2,887.17 : x
  2. Step 2: Convert to fraction form
    5,040.69/6,956.01 = 2,887.17/x
  3. Step 3: Cross multiply
    5,040.69x = 6,956.01 × 2,887.17
  4. Step 4: Simplify right side
    5,040.69x = 20,083,183.39
  5. Step 5: Solve for x
    x = 20,083,183.39/5,040.69
  6. Step 6: Final answer
    x = 3,984.21

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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.