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Finding the Fourth Proportional to 3,598.90, 5,389.57 and 2,971.51

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Solution

The fourth proportional to 3,598.90, 5,389.57 and 2,971.51 is: 4,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.90 : 5,389.57 = 2,971.51 : x
  2. Step 2: Convert to fraction form
    3,598.90/5,389.57 = 2,971.51/x
  3. Step 3: Cross multiply
    3,598.90x = 5,389.57 × 2,971.51
  4. Step 4: Simplify right side
    3,598.90x = 16,015,161.15
  5. Step 5: Solve for x
    x = 16,015,161.15/3,598.90
  6. Step 6: Final answer
    x = 4,450.02

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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.