Home / 7,022.66-10,534.38-2,640.02

Finding the Fourth Proportional to 7,022.66, 10,534.38 and 2,640.02

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Solution

The fourth proportional to 7,022.66, 10,534.38 and 2,640.02 is: 3,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.66 : 10,534.38 = 2,640.02 : x
  2. Step 2: Convert to fraction form
    7,022.66/10,534.38 = 2,640.02/x
  3. Step 3: Cross multiply
    7,022.66x = 10,534.38 × 2,640.02
  4. Step 4: Simplify right side
    7,022.66x = 27,810,973.89
  5. Step 5: Solve for x
    x = 27,810,973.89/7,022.66
  6. Step 6: Final answer
    x = 3,960.18

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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.