Home / 2,265.01-3,125.67-1,270.28

Finding the Fourth Proportional to 2,265.01, 3,125.67 and 1,270.28

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Solution

The fourth proportional to 2,265.01, 3,125.67 and 1,270.28 is: 1,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.01 : 3,125.67 = 1,270.28 : x
  2. Step 2: Convert to fraction form
    2,265.01/3,125.67 = 1,270.28/x
  3. Step 3: Cross multiply
    2,265.01x = 3,125.67 × 1,270.28
  4. Step 4: Simplify right side
    2,265.01x = 3,970,486.28
  5. Step 5: Solve for x
    x = 3,970,486.28/2,265.01
  6. Step 6: Final answer
    x = 1,752.96

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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.