Home / 5,132.13-7,698.21-1,434.36

Finding the Fourth Proportional to 5,132.13, 7,698.21 and 1,434.36

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Solution

The fourth proportional to 5,132.13, 7,698.21 and 1,434.36 is: 2,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.13 : 7,698.21 = 1,434.36 : x
  2. Step 2: Convert to fraction form
    5,132.13/7,698.21 = 1,434.36/x
  3. Step 3: Cross multiply
    5,132.13x = 7,698.21 × 1,434.36
  4. Step 4: Simplify right side
    5,132.13x = 11,041,996.79
  5. Step 5: Solve for x
    x = 11,041,996.79/5,132.13
  6. Step 6: Final answer
    x = 2,151.54

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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.