Home / 3,137.16-4,700.34-2,160.12

Finding the Fourth Proportional to 3,137.16, 4,700.34 and 2,160.12

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Solution

The fourth proportional to 3,137.16, 4,700.34 and 2,160.12 is: 3,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.16 : 4,700.34 = 2,160.12 : x
  2. Step 2: Convert to fraction form
    3,137.16/4,700.34 = 2,160.12/x
  3. Step 3: Cross multiply
    3,137.16x = 4,700.34 × 2,160.12
  4. Step 4: Simplify right side
    3,137.16x = 10,153,298.44
  5. Step 5: Solve for x
    x = 10,153,298.44/3,137.16
  6. Step 6: Final answer
    x = 3,236.46

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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.