Home / 2,927.74-4,038.43-2,043.22

Finding the Fourth Proportional to 2,927.74, 4,038.43 and 2,043.22

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Solution

The fourth proportional to 2,927.74, 4,038.43 and 2,043.22 is: 2,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.74 : 4,038.43 = 2,043.22 : x
  2. Step 2: Convert to fraction form
    2,927.74/4,038.43 = 2,043.22/x
  3. Step 3: Cross multiply
    2,927.74x = 4,038.43 × 2,043.22
  4. Step 4: Simplify right side
    2,927.74x = 8,251,370.54
  5. Step 5: Solve for x
    x = 8,251,370.54/2,927.74
  6. Step 6: Final answer
    x = 2,818.35

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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.