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Finding the Fourth Proportional to 3,700.89, 5,098.44 and 2,579.80

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Solution

The fourth proportional to 3,700.89, 5,098.44 and 2,579.80 is: 3,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.89 : 5,098.44 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    3,700.89/5,098.44 = 2,579.80/x
  3. Step 3: Cross multiply
    3,700.89x = 5,098.44 × 2,579.80
  4. Step 4: Simplify right side
    3,700.89x = 13,152,962.00
  5. Step 5: Solve for x
    x = 13,152,962.00/3,700.89
  6. Step 6: Final answer
    x = 3,554.00

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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.