Home / 3,919.93-5,866.16-2,810.57

Finding the Fourth Proportional to 3,919.93, 5,866.16 and 2,810.57

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Solution

The fourth proportional to 3,919.93, 5,866.16 and 2,810.57 is: 4,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.93 : 5,866.16 = 2,810.57 : x
  2. Step 2: Convert to fraction form
    3,919.93/5,866.16 = 2,810.57/x
  3. Step 3: Cross multiply
    3,919.93x = 5,866.16 × 2,810.57
  4. Step 4: Simplify right side
    3,919.93x = 16,487,253.31
  5. Step 5: Solve for x
    x = 16,487,253.31/3,919.93
  6. Step 6: Final answer
    x = 4,206.01

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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.