Home / 2,721.62-3,756.96-2,058.68

Finding the Fourth Proportional to 2,721.62, 3,756.96 and 2,058.68

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Solution

The fourth proportional to 2,721.62, 3,756.96 and 2,058.68 is: 2,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.62 : 3,756.96 = 2,058.68 : x
  2. Step 2: Convert to fraction form
    2,721.62/3,756.96 = 2,058.68/x
  3. Step 3: Cross multiply
    2,721.62x = 3,756.96 × 2,058.68
  4. Step 4: Simplify right side
    2,721.62x = 7,734,378.41
  5. Step 5: Solve for x
    x = 7,734,378.41/2,721.62
  6. Step 6: Final answer
    x = 2,841.83

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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.