Home / 3,551.77-4,899.43-2,223.17

Finding the Fourth Proportional to 3,551.77, 4,899.43 and 2,223.17

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Solution

The fourth proportional to 3,551.77, 4,899.43 and 2,223.17 is: 3,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.77 : 4,899.43 = 2,223.17 : x
  2. Step 2: Convert to fraction form
    3,551.77/4,899.43 = 2,223.17/x
  3. Step 3: Cross multiply
    3,551.77x = 4,899.43 × 2,223.17
  4. Step 4: Simplify right side
    3,551.77x = 10,892,244.07
  5. Step 5: Solve for x
    x = 10,892,244.07/3,551.77
  6. Step 6: Final answer
    x = 3,066.71

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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.