Home / 3,637.51-5,020.83-2,378.76

Finding the Fourth Proportional to 3,637.51, 5,020.83 and 2,378.76

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Solution

The fourth proportional to 3,637.51, 5,020.83 and 2,378.76 is: 3,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.51 : 5,020.83 = 2,378.76 : x
  2. Step 2: Convert to fraction form
    3,637.51/5,020.83 = 2,378.76/x
  3. Step 3: Cross multiply
    3,637.51x = 5,020.83 × 2,378.76
  4. Step 4: Simplify right side
    3,637.51x = 11,943,349.57
  5. Step 5: Solve for x
    x = 11,943,349.57/3,637.51
  6. Step 6: Final answer
    x = 3,283.39

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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.