Home / 3,792.50-5,235.09-2,551.22

Finding the Fourth Proportional to 3,792.50, 5,235.09 and 2,551.22

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Solution

The fourth proportional to 3,792.50, 5,235.09 and 2,551.22 is: 3,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.50 : 5,235.09 = 2,551.22 : x
  2. Step 2: Convert to fraction form
    3,792.50/5,235.09 = 2,551.22/x
  3. Step 3: Cross multiply
    3,792.50x = 5,235.09 × 2,551.22
  4. Step 4: Simplify right side
    3,792.50x = 13,355,866.31
  5. Step 5: Solve for x
    x = 13,355,866.31/3,792.50
  6. Step 6: Final answer
    x = 3,521.65

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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.