Home / 2,273.72-3,407.43-1,038.11

Finding the Fourth Proportional to 2,273.72, 3,407.43 and 1,038.11

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Solution

The fourth proportional to 2,273.72, 3,407.43 and 1,038.11 is: 1,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.72 : 3,407.43 = 1,038.11 : x
  2. Step 2: Convert to fraction form
    2,273.72/3,407.43 = 1,038.11/x
  3. Step 3: Cross multiply
    2,273.72x = 3,407.43 × 1,038.11
  4. Step 4: Simplify right side
    2,273.72x = 3,537,287.16
  5. Step 5: Solve for x
    x = 3,537,287.16/2,273.72
  6. Step 6: Final answer
    x = 1,555.73

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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.