Home / 5,756.07-7,943.39-3,398.36

Finding the Fourth Proportional to 5,756.07, 7,943.39 and 3,398.36

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Solution

The fourth proportional to 5,756.07, 7,943.39 and 3,398.36 is: 4,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.07 : 7,943.39 = 3,398.36 : x
  2. Step 2: Convert to fraction form
    5,756.07/7,943.39 = 3,398.36/x
  3. Step 3: Cross multiply
    5,756.07x = 7,943.39 × 3,398.36
  4. Step 4: Simplify right side
    5,756.07x = 26,994,514.45
  5. Step 5: Solve for x
    x = 26,994,514.45/5,756.07
  6. Step 6: Final answer
    x = 4,689.75

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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.