Home / 5,319.24-7,340.68-2,961.54

Finding the Fourth Proportional to 5,319.24, 7,340.68 and 2,961.54

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Solution

The fourth proportional to 5,319.24, 7,340.68 and 2,961.54 is: 4,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.24 : 7,340.68 = 2,961.54 : x
  2. Step 2: Convert to fraction form
    5,319.24/7,340.68 = 2,961.54/x
  3. Step 3: Cross multiply
    5,319.24x = 7,340.68 × 2,961.54
  4. Step 4: Simplify right side
    5,319.24x = 21,739,717.45
  5. Step 5: Solve for x
    x = 21,739,717.45/5,319.24
  6. Step 6: Final answer
    x = 4,087.00

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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.