Home / 3,861.49-5,328.88-2,093.12

Finding the Fourth Proportional to 3,861.49, 5,328.88 and 2,093.12

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Solution

The fourth proportional to 3,861.49, 5,328.88 and 2,093.12 is: 2,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.49 : 5,328.88 = 2,093.12 : x
  2. Step 2: Convert to fraction form
    3,861.49/5,328.88 = 2,093.12/x
  3. Step 3: Cross multiply
    3,861.49x = 5,328.88 × 2,093.12
  4. Step 4: Simplify right side
    3,861.49x = 11,153,974.84
  5. Step 5: Solve for x
    x = 11,153,974.84/3,861.49
  6. Step 6: Final answer
    x = 2,888.52

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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.