Home / 3,818.23-5,267.63-2,224.64

Finding the Fourth Proportional to 3,818.23, 5,267.63 and 2,224.64

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Solution

The fourth proportional to 3,818.23, 5,267.63 and 2,224.64 is: 3,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.23 : 5,267.63 = 2,224.64 : x
  2. Step 2: Convert to fraction form
    3,818.23/5,267.63 = 2,224.64/x
  3. Step 3: Cross multiply
    3,818.23x = 5,267.63 × 2,224.64
  4. Step 4: Simplify right side
    3,818.23x = 11,718,580.40
  5. Step 5: Solve for x
    x = 11,718,580.40/3,818.23
  6. Step 6: Final answer
    x = 3,069.11

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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.