Home / 5,009.92-7,506.25-3,320.28

Finding the Fourth Proportional to 5,009.92, 7,506.25 and 3,320.28

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Solution

The fourth proportional to 5,009.92, 7,506.25 and 3,320.28 is: 4,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.92 : 7,506.25 = 3,320.28 : x
  2. Step 2: Convert to fraction form
    5,009.92/7,506.25 = 3,320.28/x
  3. Step 3: Cross multiply
    5,009.92x = 7,506.25 × 3,320.28
  4. Step 4: Simplify right side
    5,009.92x = 24,922,851.75
  5. Step 5: Solve for x
    x = 24,922,851.75/5,009.92
  6. Step 6: Final answer
    x = 4,974.70

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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.