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Finding the Fourth Proportional to 2,598.60, 3,897.84 and 2,164.80

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Solution

The fourth proportional to 2,598.60, 3,897.84 and 2,164.80 is: 3,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.60 : 3,897.84 = 2,164.80 : x
  2. Step 2: Convert to fraction form
    2,598.60/3,897.84 = 2,164.80/x
  3. Step 3: Cross multiply
    2,598.60x = 3,897.84 × 2,164.80
  4. Step 4: Simplify right side
    2,598.60x = 8,438,044.03
  5. Step 5: Solve for x
    x = 8,438,044.03/2,598.60
  6. Step 6: Final answer
    x = 3,247.15

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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.