Home / 2,926.68-4,038.42-1,747.50

Finding the Fourth Proportional to 2,926.68, 4,038.42 and 1,747.50

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Solution

The fourth proportional to 2,926.68, 4,038.42 and 1,747.50 is: 2,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.68 : 4,038.42 = 1,747.50 : x
  2. Step 2: Convert to fraction form
    2,926.68/4,038.42 = 1,747.50/x
  3. Step 3: Cross multiply
    2,926.68x = 4,038.42 × 1,747.50
  4. Step 4: Simplify right side
    2,926.68x = 7,057,138.95
  5. Step 5: Solve for x
    x = 7,057,138.95/2,926.68
  6. Step 6: Final answer
    x = 2,411.31

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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.