Home / 2,534.51-3,789.28-2,148.82

Finding the Fourth Proportional to 2,534.51, 3,789.28 and 2,148.82

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Solution

The fourth proportional to 2,534.51, 3,789.28 and 2,148.82 is: 3,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.51 : 3,789.28 = 2,148.82 : x
  2. Step 2: Convert to fraction form
    2,534.51/3,789.28 = 2,148.82/x
  3. Step 3: Cross multiply
    2,534.51x = 3,789.28 × 2,148.82
  4. Step 4: Simplify right side
    2,534.51x = 8,142,465.80
  5. Step 5: Solve for x
    x = 8,142,465.80/2,534.51
  6. Step 6: Final answer
    x = 3,212.64

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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.