Home / 2,265.22-3,126.23-1,270.68

Finding the Fourth Proportional to 2,265.22, 3,126.23 and 1,270.68

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Solution

The fourth proportional to 2,265.22, 3,126.23 and 1,270.68 is: 1,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.22 : 3,126.23 = 1,270.68 : x
  2. Step 2: Convert to fraction form
    2,265.22/3,126.23 = 1,270.68/x
  3. Step 3: Cross multiply
    2,265.22x = 3,126.23 × 1,270.68
  4. Step 4: Simplify right side
    2,265.22x = 3,972,437.94
  5. Step 5: Solve for x
    x = 3,972,437.94/2,265.22
  6. Step 6: Final answer
    x = 1,753.67

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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.