Home / 2,058.57-2,838.11-1,778.22

Finding the Fourth Proportional to 2,058.57, 2,838.11 and 1,778.22

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Solution

The fourth proportional to 2,058.57, 2,838.11 and 1,778.22 is: 2,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.57 : 2,838.11 = 1,778.22 : x
  2. Step 2: Convert to fraction form
    2,058.57/2,838.11 = 1,778.22/x
  3. Step 3: Cross multiply
    2,058.57x = 2,838.11 × 1,778.22
  4. Step 4: Simplify right side
    2,058.57x = 5,046,775.07
  5. Step 5: Solve for x
    x = 5,046,775.07/2,058.57
  6. Step 6: Final answer
    x = 2,451.59

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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.