Home / 5,356.94-7,392.58-2,999.08

Finding the Fourth Proportional to 5,356.94, 7,392.58 and 2,999.08

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Solution

The fourth proportional to 5,356.94, 7,392.58 and 2,999.08 is: 4,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.94 : 7,392.58 = 2,999.08 : x
  2. Step 2: Convert to fraction form
    5,356.94/7,392.58 = 2,999.08/x
  3. Step 3: Cross multiply
    5,356.94x = 7,392.58 × 2,999.08
  4. Step 4: Simplify right side
    5,356.94x = 22,170,938.83
  5. Step 5: Solve for x
    x = 22,170,938.83/5,356.94
  6. Step 6: Final answer
    x = 4,138.73

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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.