Home / 3,157.47-4,357.68-2,037.96

Finding the Fourth Proportional to 3,157.47, 4,357.68 and 2,037.96

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Solution

The fourth proportional to 3,157.47, 4,357.68 and 2,037.96 is: 2,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.47 : 4,357.68 = 2,037.96 : x
  2. Step 2: Convert to fraction form
    3,157.47/4,357.68 = 2,037.96/x
  3. Step 3: Cross multiply
    3,157.47x = 4,357.68 × 2,037.96
  4. Step 4: Simplify right side
    3,157.47x = 8,880,777.53
  5. Step 5: Solve for x
    x = 8,880,777.53/3,157.47
  6. Step 6: Final answer
    x = 2,812.62

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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.