Home / 2,247.29-3,102.05-1,618.19

Finding the Fourth Proportional to 2,247.29, 3,102.05 and 1,618.19

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Solution

The fourth proportional to 2,247.29, 3,102.05 and 1,618.19 is: 2,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.29 : 3,102.05 = 1,618.19 : x
  2. Step 2: Convert to fraction form
    2,247.29/3,102.05 = 1,618.19/x
  3. Step 3: Cross multiply
    2,247.29x = 3,102.05 × 1,618.19
  4. Step 4: Simplify right side
    2,247.29x = 5,019,694.82
  5. Step 5: Solve for x
    x = 5,019,694.82/2,247.29
  6. Step 6: Final answer
    x = 2,233.67

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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.