Home / 3,756.17-5,637.90-1,678.52

Finding the Fourth Proportional to 3,756.17, 5,637.90 and 1,678.52

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Solution

The fourth proportional to 3,756.17, 5,637.90 and 1,678.52 is: 2,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.17 : 5,637.90 = 1,678.52 : x
  2. Step 2: Convert to fraction form
    3,756.17/5,637.90 = 1,678.52/x
  3. Step 3: Cross multiply
    3,756.17x = 5,637.90 × 1,678.52
  4. Step 4: Simplify right side
    3,756.17x = 9,463,348.30
  5. Step 5: Solve for x
    x = 9,463,348.30/3,756.17
  6. Step 6: Final answer
    x = 2,519.41

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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.