Home / 5,351.81-7,385.51-2,994.51

Finding the Fourth Proportional to 5,351.81, 7,385.51 and 2,994.51

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Solution

The fourth proportional to 5,351.81, 7,385.51 and 2,994.51 is: 4,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.81 : 7,385.51 = 2,994.51 : x
  2. Step 2: Convert to fraction form
    5,351.81/7,385.51 = 2,994.51/x
  3. Step 3: Cross multiply
    5,351.81x = 7,385.51 × 2,994.51
  4. Step 4: Simplify right side
    5,351.81x = 22,115,968.58
  5. Step 5: Solve for x
    x = 22,115,968.58/5,351.81
  6. Step 6: Final answer
    x = 4,132.43

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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.