Home / 4,631.22-6,931.78-3,398.33

Finding the Fourth Proportional to 4,631.22, 6,931.78 and 3,398.33

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Solution

The fourth proportional to 4,631.22, 6,931.78 and 3,398.33 is: 5,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.22 : 6,931.78 = 3,398.33 : x
  2. Step 2: Convert to fraction form
    4,631.22/6,931.78 = 3,398.33/x
  3. Step 3: Cross multiply
    4,631.22x = 6,931.78 × 3,398.33
  4. Step 4: Simplify right side
    4,631.22x = 23,556,484.76
  5. Step 5: Solve for x
    x = 23,556,484.76/4,631.22
  6. Step 6: Final answer
    x = 5,086.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.