Home / 1,754.59-2,421.36-968.62

Finding the Fourth Proportional to 1,754.59, 2,421.36 and 968.62

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Solution

The fourth proportional to 1,754.59, 2,421.36 and 968.62 is: 1,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.59 : 2,421.36 = 968.62 : x
  2. Step 2: Convert to fraction form
    1,754.59/2,421.36 = 968.62/x
  3. Step 3: Cross multiply
    1,754.59x = 2,421.36 × 968.62
  4. Step 4: Simplify right side
    1,754.59x = 2,345,377.72
  5. Step 5: Solve for x
    x = 2,345,377.72/1,754.59
  6. Step 6: Final answer
    x = 1,336.71

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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.