Home / 7,480.04-11,220.07-2,285.87

Finding the Fourth Proportional to 7,480.04, 11,220.07 and 2,285.87

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Solution

The fourth proportional to 7,480.04, 11,220.07 and 2,285.87 is: 3,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.04 : 11,220.07 = 2,285.87 : x
  2. Step 2: Convert to fraction form
    7,480.04/11,220.07 = 2,285.87/x
  3. Step 3: Cross multiply
    7,480.04x = 11,220.07 × 2,285.87
  4. Step 4: Simplify right side
    7,480.04x = 25,647,638.03
  5. Step 5: Solve for x
    x = 25,647,638.03/7,480.04
  6. Step 6: Final answer
    x = 3,428.81

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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.