Home / 3,461.66-5,193.14-1,487.28

Finding the Fourth Proportional to 3,461.66, 5,193.14 and 1,487.28

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Solution

The fourth proportional to 3,461.66, 5,193.14 and 1,487.28 is: 2,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.66 : 5,193.14 = 1,487.28 : x
  2. Step 2: Convert to fraction form
    3,461.66/5,193.14 = 1,487.28/x
  3. Step 3: Cross multiply
    3,461.66x = 5,193.14 × 1,487.28
  4. Step 4: Simplify right side
    3,461.66x = 7,723,653.26
  5. Step 5: Solve for x
    x = 7,723,653.26/3,461.66
  6. Step 6: Final answer
    x = 2,231.20

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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.