Home / 5,037.12-7,550.64-2,117.16

Finding the Fourth Proportional to 5,037.12, 7,550.64 and 2,117.16

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Solution

The fourth proportional to 5,037.12, 7,550.64 and 2,117.16 is: 3,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.12 : 7,550.64 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    5,037.12/7,550.64 = 2,117.16/x
  3. Step 3: Cross multiply
    5,037.12x = 7,550.64 × 2,117.16
  4. Step 4: Simplify right side
    5,037.12x = 15,985,912.98
  5. Step 5: Solve for x
    x = 15,985,912.98/5,037.12
  6. Step 6: Final answer
    x = 3,173.62

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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.