Home / 6,690.72-10,036.62-2,073.72

Finding the Fourth Proportional to 6,690.72, 10,036.62 and 2,073.72

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Solution

The fourth proportional to 6,690.72, 10,036.62 and 2,073.72 is: 3,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.72 : 10,036.62 = 2,073.72 : x
  2. Step 2: Convert to fraction form
    6,690.72/10,036.62 = 2,073.72/x
  3. Step 3: Cross multiply
    6,690.72x = 10,036.62 × 2,073.72
  4. Step 4: Simplify right side
    6,690.72x = 20,813,139.63
  5. Step 5: Solve for x
    x = 20,813,139.63/6,690.72
  6. Step 6: Final answer
    x = 3,110.75

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1.5x scale

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.