Home / 7,467.50-10,305.16-4,485.90

Finding the Fourth Proportional to 7,467.50, 10,305.16 and 4,485.90

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Solution

The fourth proportional to 7,467.50, 10,305.16 and 4,485.90 is: 6,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.50 : 10,305.16 = 4,485.90 : x
  2. Step 2: Convert to fraction form
    7,467.50/10,305.16 = 4,485.90/x
  3. Step 3: Cross multiply
    7,467.50x = 10,305.16 × 4,485.90
  4. Step 4: Simplify right side
    7,467.50x = 46,227,917.24
  5. Step 5: Solve for x
    x = 46,227,917.24/7,467.50
  6. Step 6: Final answer
    x = 6,190.55

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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.