Home / 3,913.67-5,871.95-1,834.36

Finding the Fourth Proportional to 3,913.67, 5,871.95 and 1,834.36

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Solution

The fourth proportional to 3,913.67, 5,871.95 and 1,834.36 is: 2,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.67 : 5,871.95 = 1,834.36 : x
  2. Step 2: Convert to fraction form
    3,913.67/5,871.95 = 1,834.36/x
  3. Step 3: Cross multiply
    3,913.67x = 5,871.95 × 1,834.36
  4. Step 4: Simplify right side
    3,913.67x = 10,771,260.11
  5. Step 5: Solve for x
    x = 10,771,260.11/3,913.67
  6. Step 6: Final answer
    x = 2,752.21

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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.