Home / 7,084.13-10,626.39-2,155.01

Finding the Fourth Proportional to 7,084.13, 10,626.39 and 2,155.01

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Solution

The fourth proportional to 7,084.13, 10,626.39 and 2,155.01 is: 3,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.13 : 10,626.39 = 2,155.01 : x
  2. Step 2: Convert to fraction form
    7,084.13/10,626.39 = 2,155.01/x
  3. Step 3: Cross multiply
    7,084.13x = 10,626.39 × 2,155.01
  4. Step 4: Simplify right side
    7,084.13x = 22,899,923.58
  5. Step 5: Solve for x
    x = 22,899,923.58/7,084.13
  6. Step 6: Final answer
    x = 3,232.57

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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.