Home / 2,743.38-3,785.95-1,501.38

Finding the Fourth Proportional to 2,743.38, 3,785.95 and 1,501.38

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Solution

The fourth proportional to 2,743.38, 3,785.95 and 1,501.38 is: 2,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.38 : 3,785.95 = 1,501.38 : x
  2. Step 2: Convert to fraction form
    2,743.38/3,785.95 = 1,501.38/x
  3. Step 3: Cross multiply
    2,743.38x = 3,785.95 × 1,501.38
  4. Step 4: Simplify right side
    2,743.38x = 5,684,149.61
  5. Step 5: Solve for x
    x = 5,684,149.61/2,743.38
  6. Step 6: Final answer
    x = 2,071.95

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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.