Home / 4,006.87-5,528.81-2,238.49

Finding the Fourth Proportional to 4,006.87, 5,528.81 and 2,238.49

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Solution

The fourth proportional to 4,006.87, 5,528.81 and 2,238.49 is: 3,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.87 : 5,528.81 = 2,238.49 : x
  2. Step 2: Convert to fraction form
    4,006.87/5,528.81 = 2,238.49/x
  3. Step 3: Cross multiply
    4,006.87x = 5,528.81 × 2,238.49
  4. Step 4: Simplify right side
    4,006.87x = 12,376,174.70
  5. Step 5: Solve for x
    x = 12,376,174.70/4,006.87
  6. Step 6: Final answer
    x = 3,088.74

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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.