Home / 2,926.08-4,038.88-1,995.12

Finding the Fourth Proportional to 2,926.08, 4,038.88 and 1,995.12

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Solution

The fourth proportional to 2,926.08, 4,038.88 and 1,995.12 is: 2,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.08 : 4,038.88 = 1,995.12 : x
  2. Step 2: Convert to fraction form
    2,926.08/4,038.88 = 1,995.12/x
  3. Step 3: Cross multiply
    2,926.08x = 4,038.88 × 1,995.12
  4. Step 4: Simplify right side
    2,926.08x = 8,058,050.27
  5. Step 5: Solve for x
    x = 8,058,050.27/2,926.08
  6. Step 6: Final answer
    x = 2,753.87

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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.