Home / 5,356.98-7,392.06-2,998.80

Finding the Fourth Proportional to 5,356.98, 7,392.06 and 2,998.80

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Solution

The fourth proportional to 5,356.98, 7,392.06 and 2,998.80 is: 4,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.98 : 7,392.06 = 2,998.80 : x
  2. Step 2: Convert to fraction form
    5,356.98/7,392.06 = 2,998.80/x
  3. Step 3: Cross multiply
    5,356.98x = 7,392.06 × 2,998.80
  4. Step 4: Simplify right side
    5,356.98x = 22,167,309.53
  5. Step 5: Solve for x
    x = 22,167,309.53/5,356.98
  6. Step 6: Final answer
    x = 4,138.02

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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.