Home / 2,921.98-4,033.75-1,875.82

Finding the Fourth Proportional to 2,921.98, 4,033.75 and 1,875.82

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Solution

The fourth proportional to 2,921.98, 4,033.75 and 1,875.82 is: 2,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.98 : 4,033.75 = 1,875.82 : x
  2. Step 2: Convert to fraction form
    2,921.98/4,033.75 = 1,875.82/x
  3. Step 3: Cross multiply
    2,921.98x = 4,033.75 × 1,875.82
  4. Step 4: Simplify right side
    2,921.98x = 7,566,588.93
  5. Step 5: Solve for x
    x = 7,566,588.93/2,921.98
  6. Step 6: Final answer
    x = 2,589.54

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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.