Home / 2,983.38-4,117.25-1,724.67

Finding the Fourth Proportional to 2,983.38, 4,117.25 and 1,724.67

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Solution

The fourth proportional to 2,983.38, 4,117.25 and 1,724.67 is: 2,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.38 : 4,117.25 = 1,724.67 : x
  2. Step 2: Convert to fraction form
    2,983.38/4,117.25 = 1,724.67/x
  3. Step 3: Cross multiply
    2,983.38x = 4,117.25 × 1,724.67
  4. Step 4: Simplify right side
    2,983.38x = 7,100,897.56
  5. Step 5: Solve for x
    x = 7,100,897.56/2,983.38
  6. Step 6: Final answer
    x = 2,380.15

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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.