Home / 3,484.49-5,234.22-2,186.87

Finding the Fourth Proportional to 3,484.49, 5,234.22 and 2,186.87

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Solution

The fourth proportional to 3,484.49, 5,234.22 and 2,186.87 is: 3,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.49 : 5,234.22 = 2,186.87 : x
  2. Step 2: Convert to fraction form
    3,484.49/5,234.22 = 2,186.87/x
  3. Step 3: Cross multiply
    3,484.49x = 5,234.22 × 2,186.87
  4. Step 4: Simplify right side
    3,484.49x = 11,446,532.52
  5. Step 5: Solve for x
    x = 11,446,532.52/3,484.49
  6. Step 6: Final answer
    x = 3,285.00

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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.