Home / 5,280.35-7,286.85-2,922.48

Finding the Fourth Proportional to 5,280.35, 7,286.85 and 2,922.48

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Solution

The fourth proportional to 5,280.35, 7,286.85 and 2,922.48 is: 4,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.35 : 7,286.85 = 2,922.48 : x
  2. Step 2: Convert to fraction form
    5,280.35/7,286.85 = 2,922.48/x
  3. Step 3: Cross multiply
    5,280.35x = 7,286.85 × 2,922.48
  4. Step 4: Simplify right side
    5,280.35x = 21,295,673.39
  5. Step 5: Solve for x
    x = 21,295,673.39/5,280.35
  6. Step 6: Final answer
    x = 4,033.01

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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.