Home / 5,360.15-7,400.63-3,346.64

Finding the Fourth Proportional to 5,360.15, 7,400.63 and 3,346.64

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Solution

The fourth proportional to 5,360.15, 7,400.63 and 3,346.64 is: 4,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.15 : 7,400.63 = 3,346.64 : x
  2. Step 2: Convert to fraction form
    5,360.15/7,400.63 = 3,346.64/x
  3. Step 3: Cross multiply
    5,360.15x = 7,400.63 × 3,346.64
  4. Step 4: Simplify right side
    5,360.15x = 24,767,190.65
  5. Step 5: Solve for x
    x = 24,767,190.65/5,360.15
  6. Step 6: Final answer
    x = 4,620.61

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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.