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Finding the Fourth Proportional to 3,475.94, 4,797.06 and 1,984.31

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Solution

The fourth proportional to 3,475.94, 4,797.06 and 1,984.31 is: 2,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.94 : 4,797.06 = 1,984.31 : x
  2. Step 2: Convert to fraction form
    3,475.94/4,797.06 = 1,984.31/x
  3. Step 3: Cross multiply
    3,475.94x = 4,797.06 × 1,984.31
  4. Step 4: Simplify right side
    3,475.94x = 9,518,854.13
  5. Step 5: Solve for x
    x = 9,518,854.13/3,475.94
  6. Step 6: Final answer
    x = 2,738.50

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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.