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Finding the Fourth Proportional to 3,347.91, 5,021.90 and 883.08

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Solution

The fourth proportional to 3,347.91, 5,021.90 and 883.08 is: 1,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.91 : 5,021.90 = 883.08 : x
  2. Step 2: Convert to fraction form
    3,347.91/5,021.90 = 883.08/x
  3. Step 3: Cross multiply
    3,347.91x = 5,021.90 × 883.08
  4. Step 4: Simplify right side
    3,347.91x = 4,434,739.45
  5. Step 5: Solve for x
    x = 4,434,739.45/3,347.91
  6. Step 6: Final answer
    x = 1,324.63

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1.5x scale

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.