Home / 5,272.97-7,908.80-3,298.77

Finding the Fourth Proportional to 5,272.97, 7,908.80 and 3,298.77

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Solution

The fourth proportional to 5,272.97, 7,908.80 and 3,298.77 is: 4,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.97 : 7,908.80 = 3,298.77 : x
  2. Step 2: Convert to fraction form
    5,272.97/7,908.80 = 3,298.77/x
  3. Step 3: Cross multiply
    5,272.97x = 7,908.80 × 3,298.77
  4. Step 4: Simplify right side
    5,272.97x = 26,089,320.42
  5. Step 5: Solve for x
    x = 26,089,320.42/5,272.97
  6. Step 6: Final answer
    x = 4,947.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.