Home / 6,690.28-10,037.75-2,992.90

Finding the Fourth Proportional to 6,690.28, 10,037.75 and 2,992.90

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Solution

The fourth proportional to 6,690.28, 10,037.75 and 2,992.90 is: 4,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.28 : 10,037.75 = 2,992.90 : x
  2. Step 2: Convert to fraction form
    6,690.28/10,037.75 = 2,992.90/x
  3. Step 3: Cross multiply
    6,690.28x = 10,037.75 × 2,992.90
  4. Step 4: Simplify right side
    6,690.28x = 30,041,981.98
  5. Step 5: Solve for x
    x = 30,041,981.98/6,690.28
  6. Step 6: Final answer
    x = 4,490.39

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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.