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Finding the Fourth Proportional to 4,739.04, 7,098.84 and 3,809.57

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Solution

The fourth proportional to 4,739.04, 7,098.84 and 3,809.57 is: 5,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.04 : 7,098.84 = 3,809.57 : x
  2. Step 2: Convert to fraction form
    4,739.04/7,098.84 = 3,809.57/x
  3. Step 3: Cross multiply
    4,739.04x = 7,098.84 × 3,809.57
  4. Step 4: Simplify right side
    4,739.04x = 27,043,492.40
  5. Step 5: Solve for x
    x = 27,043,492.40/4,739.04
  6. Step 6: Final answer
    x = 5,706.53

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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.