Home / 2,701.16-3,723.12-2,140.64

Finding the Fourth Proportional to 2,701.16, 3,723.12 and 2,140.64

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Solution

The fourth proportional to 2,701.16, 3,723.12 and 2,140.64 is: 2,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.16 : 3,723.12 = 2,140.64 : x
  2. Step 2: Convert to fraction form
    2,701.16/3,723.12 = 2,140.64/x
  3. Step 3: Cross multiply
    2,701.16x = 3,723.12 × 2,140.64
  4. Step 4: Simplify right side
    2,701.16x = 7,969,859.60
  5. Step 5: Solve for x
    x = 7,969,859.60/2,701.16
  6. Step 6: Final answer
    x = 2,950.53

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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.