Home / 3,199.66-4,416.89-2,152.33

Finding the Fourth Proportional to 3,199.66, 4,416.89 and 2,152.33

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Solution

The fourth proportional to 3,199.66, 4,416.89 and 2,152.33 is: 2,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.66 : 4,416.89 = 2,152.33 : x
  2. Step 2: Convert to fraction form
    3,199.66/4,416.89 = 2,152.33/x
  3. Step 3: Cross multiply
    3,199.66x = 4,416.89 × 2,152.33
  4. Step 4: Simplify right side
    3,199.66x = 9,506,604.85
  5. Step 5: Solve for x
    x = 9,506,604.85/3,199.66
  6. Step 6: Final answer
    x = 2,971.13

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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.