Home / 2,265.13-3,125.38-2,190.47

Finding the Fourth Proportional to 2,265.13, 3,125.38 and 2,190.47

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Solution

The fourth proportional to 2,265.13, 3,125.38 and 2,190.47 is: 3,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.13 : 3,125.38 = 2,190.47 : x
  2. Step 2: Convert to fraction form
    2,265.13/3,125.38 = 2,190.47/x
  3. Step 3: Cross multiply
    2,265.13x = 3,125.38 × 2,190.47
  4. Step 4: Simplify right side
    2,265.13x = 6,846,035.50
  5. Step 5: Solve for x
    x = 6,846,035.50/2,265.13
  6. Step 6: Final answer
    x = 3,022.36

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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.