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Finding the Fourth Proportional to 3,598.98, 5,396.98 and 1,258.48

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Solution

The fourth proportional to 3,598.98, 5,396.98 and 1,258.48 is: 1,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.98 : 5,396.98 = 1,258.48 : x
  2. Step 2: Convert to fraction form
    3,598.98/5,396.98 = 1,258.48/x
  3. Step 3: Cross multiply
    3,598.98x = 5,396.98 × 1,258.48
  4. Step 4: Simplify right side
    3,598.98x = 6,791,991.39
  5. Step 5: Solve for x
    x = 6,791,991.39/3,598.98
  6. Step 6: Final answer
    x = 1,887.20

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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.