Home / 2,272.06-3,402.60-1,295.20

Finding the Fourth Proportional to 2,272.06, 3,402.60 and 1,295.20

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Solution

The fourth proportional to 2,272.06, 3,402.60 and 1,295.20 is: 1,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.06 : 3,402.60 = 1,295.20 : x
  2. Step 2: Convert to fraction form
    2,272.06/3,402.60 = 1,295.20/x
  3. Step 3: Cross multiply
    2,272.06x = 3,402.60 × 1,295.20
  4. Step 4: Simplify right side
    2,272.06x = 4,407,047.52
  5. Step 5: Solve for x
    x = 4,407,047.52/2,272.06
  6. Step 6: Final answer
    x = 1,939.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.