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Finding the Fourth Proportional to 5,323.95, 7,347.75 and 3,836.79

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Solution

The fourth proportional to 5,323.95, 7,347.75 and 3,836.79 is: 5,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.95 : 7,347.75 = 3,836.79 : x
  2. Step 2: Convert to fraction form
    5,323.95/7,347.75 = 3,836.79/x
  3. Step 3: Cross multiply
    5,323.95x = 7,347.75 × 3,836.79
  4. Step 4: Simplify right side
    5,323.95x = 28,191,773.72
  5. Step 5: Solve for x
    x = 28,191,773.72/5,323.95
  6. Step 6: Final answer
    x = 5,295.27

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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.