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Finding the Fourth Proportional to 3,592.00, 4,957.20 and 1,999.00

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Solution

The fourth proportional to 3,592.00, 4,957.20 and 1,999.00 is: 2,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.00 : 4,957.20 = 1,999.00 : x
  2. Step 2: Convert to fraction form
    3,592.00/4,957.20 = 1,999.00/x
  3. Step 3: Cross multiply
    3,592.00x = 4,957.20 × 1,999.00
  4. Step 4: Simplify right side
    3,592.00x = 9,909,408.02
  5. Step 5: Solve for x
    x = 9,909,408.02/3,592.00
  6. Step 6: Final answer
    x = 2,758.75

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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.