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Finding the Fourth Proportional to 5,010.94, 6,907.11 and 3,947.02

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Solution

The fourth proportional to 5,010.94, 6,907.11 and 3,947.02 is: 5,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.94 : 6,907.11 = 3,947.02 : x
  2. Step 2: Convert to fraction form
    5,010.94/6,907.11 = 3,947.02/x
  3. Step 3: Cross multiply
    5,010.94x = 6,907.11 × 3,947.02
  4. Step 4: Simplify right side
    5,010.94x = 27,262,501.31
  5. Step 5: Solve for x
    x = 27,262,501.31/5,010.94
  6. Step 6: Final answer
    x = 5,440.60

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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.