Home / 1,942.76-2,680.92-1,058.48

Finding the Fourth Proportional to 1,942.76, 2,680.92 and 1,058.48

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Solution

The fourth proportional to 1,942.76, 2,680.92 and 1,058.48 is: 1,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.76 : 2,680.92 = 1,058.48 : x
  2. Step 2: Convert to fraction form
    1,942.76/2,680.92 = 1,058.48/x
  3. Step 3: Cross multiply
    1,942.76x = 2,680.92 × 1,058.48
  4. Step 4: Simplify right side
    1,942.76x = 2,837,700.20
  5. Step 5: Solve for x
    x = 2,837,700.20/1,942.76
  6. Step 6: Final answer
    x = 1,460.65

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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.