Home / 5,755.32-7,943.26-3,518.50

Finding the Fourth Proportional to 5,755.32, 7,943.26 and 3,518.50

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Solution

The fourth proportional to 5,755.32, 7,943.26 and 3,518.50 is: 4,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.32 : 7,943.26 = 3,518.50 : x
  2. Step 2: Convert to fraction form
    5,755.32/7,943.26 = 3,518.50/x
  3. Step 3: Cross multiply
    5,755.32x = 7,943.26 × 3,518.50
  4. Step 4: Simplify right side
    5,755.32x = 27,948,360.31
  5. Step 5: Solve for x
    x = 27,948,360.31/5,755.32
  6. Step 6: Final answer
    x = 4,856.09

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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.