Home / 3,914.47-5,866.21-1,829.53

Finding the Fourth Proportional to 3,914.47, 5,866.21 and 1,829.53

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Solution

The fourth proportional to 3,914.47, 5,866.21 and 1,829.53 is: 2,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.47 : 5,866.21 = 1,829.53 : x
  2. Step 2: Convert to fraction form
    3,914.47/5,866.21 = 1,829.53/x
  3. Step 3: Cross multiply
    3,914.47x = 5,866.21 × 1,829.53
  4. Step 4: Simplify right side
    3,914.47x = 10,732,368.70
  5. Step 5: Solve for x
    x = 10,732,368.70/3,914.47
  6. Step 6: Final answer
    x = 2,741.72

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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.