Home / 3,174.17-4,758.66-2,130.98

Finding the Fourth Proportional to 3,174.17, 4,758.66 and 2,130.98

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Solution

The fourth proportional to 3,174.17, 4,758.66 and 2,130.98 is: 3,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.17 : 4,758.66 = 2,130.98 : x
  2. Step 2: Convert to fraction form
    3,174.17/4,758.66 = 2,130.98/x
  3. Step 3: Cross multiply
    3,174.17x = 4,758.66 × 2,130.98
  4. Step 4: Simplify right side
    3,174.17x = 10,140,621.18
  5. Step 5: Solve for x
    x = 10,140,621.18/3,174.17
  6. Step 6: Final answer
    x = 3,194.74

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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.