Home / 5,905.12-8,859.84-2,440.48

Finding the Fourth Proportional to 5,905.12, 8,859.84 and 2,440.48

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Solution

The fourth proportional to 5,905.12, 8,859.84 and 2,440.48 is: 3,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.12 : 8,859.84 = 2,440.48 : x
  2. Step 2: Convert to fraction form
    5,905.12/8,859.84 = 2,440.48/x
  3. Step 3: Cross multiply
    5,905.12x = 8,859.84 × 2,440.48
  4. Step 4: Simplify right side
    5,905.12x = 21,622,262.32
  5. Step 5: Solve for x
    x = 21,622,262.32/5,905.12
  6. Step 6: Final answer
    x = 3,661.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.