Home / 5,220.88-7,204.74-2,863.02

Finding the Fourth Proportional to 5,220.88, 7,204.74 and 2,863.02

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Solution

The fourth proportional to 5,220.88, 7,204.74 and 2,863.02 is: 3,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.88 : 7,204.74 = 2,863.02 : x
  2. Step 2: Convert to fraction form
    5,220.88/7,204.74 = 2,863.02/x
  3. Step 3: Cross multiply
    5,220.88x = 7,204.74 × 2,863.02
  4. Step 4: Simplify right side
    5,220.88x = 20,627,314.71
  5. Step 5: Solve for x
    x = 20,627,314.71/5,220.88
  6. Step 6: Final answer
    x = 3,950.93

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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.