Home / 5,732.69-7,911.08-3,214.79

Finding the Fourth Proportional to 5,732.69, 7,911.08 and 3,214.79

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Solution

The fourth proportional to 5,732.69, 7,911.08 and 3,214.79 is: 4,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.69 : 7,911.08 = 3,214.79 : x
  2. Step 2: Convert to fraction form
    5,732.69/7,911.08 = 3,214.79/x
  3. Step 3: Cross multiply
    5,732.69x = 7,911.08 × 3,214.79
  4. Step 4: Simplify right side
    5,732.69x = 25,432,464.58
  5. Step 5: Solve for x
    x = 25,432,464.58/5,732.69
  6. Step 6: Final answer
    x = 4,436.40

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1.5x scale

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.