Home / 2,038.26-3,040.11-1,976.75

Finding the Fourth Proportional to 2,038.26, 3,040.11 and 1,976.75

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Solution

The fourth proportional to 2,038.26, 3,040.11 and 1,976.75 is: 2,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.26 : 3,040.11 = 1,976.75 : x
  2. Step 2: Convert to fraction form
    2,038.26/3,040.11 = 1,976.75/x
  3. Step 3: Cross multiply
    2,038.26x = 3,040.11 × 1,976.75
  4. Step 4: Simplify right side
    2,038.26x = 6,009,522.24
  5. Step 5: Solve for x
    x = 6,009,522.24/2,038.26
  6. Step 6: Final answer
    x = 2,948.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.