Home / 2,743.75-4,117.47-1,012.38

Finding the Fourth Proportional to 2,743.75, 4,117.47 and 1,012.38

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Solution

The fourth proportional to 2,743.75, 4,117.47 and 1,012.38 is: 1,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.75 : 4,117.47 = 1,012.38 : x
  2. Step 2: Convert to fraction form
    2,743.75/4,117.47 = 1,012.38/x
  3. Step 3: Cross multiply
    2,743.75x = 4,117.47 × 1,012.38
  4. Step 4: Simplify right side
    2,743.75x = 4,168,444.28
  5. Step 5: Solve for x
    x = 4,168,444.28/2,743.75
  6. Step 6: Final answer
    x = 1,519.25

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1.5x scale

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.