Home / 5,067.84-7,602.51-1,780.35

Finding the Fourth Proportional to 5,067.84, 7,602.51 and 1,780.35

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Solution

The fourth proportional to 5,067.84, 7,602.51 and 1,780.35 is: 2,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.84 : 7,602.51 = 1,780.35 : x
  2. Step 2: Convert to fraction form
    5,067.84/7,602.51 = 1,780.35/x
  3. Step 3: Cross multiply
    5,067.84x = 7,602.51 × 1,780.35
  4. Step 4: Simplify right side
    5,067.84x = 13,535,109.67
  5. Step 5: Solve for x
    x = 13,535,109.67/5,067.84
  6. Step 6: Final answer
    x = 2,670.79

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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.