Home / 5,740.36-7,919.43-3,316.43

Finding the Fourth Proportional to 5,740.36, 7,919.43 and 3,316.43

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Solution

The fourth proportional to 5,740.36, 7,919.43 and 3,316.43 is: 4,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.36 : 7,919.43 = 3,316.43 : x
  2. Step 2: Convert to fraction form
    5,740.36/7,919.43 = 3,316.43/x
  3. Step 3: Cross multiply
    5,740.36x = 7,919.43 × 3,316.43
  4. Step 4: Simplify right side
    5,740.36x = 26,264,235.23
  5. Step 5: Solve for x
    x = 26,264,235.23/5,740.36
  6. Step 6: Final answer
    x = 4,575.36

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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.