Home / 4,690.38-6,471.27-2,699.76

Finding the Fourth Proportional to 4,690.38, 6,471.27 and 2,699.76

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Solution

The fourth proportional to 4,690.38, 6,471.27 and 2,699.76 is: 3,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.38 : 6,471.27 = 2,699.76 : x
  2. Step 2: Convert to fraction form
    4,690.38/6,471.27 = 2,699.76/x
  3. Step 3: Cross multiply
    4,690.38x = 6,471.27 × 2,699.76
  4. Step 4: Simplify right side
    4,690.38x = 17,470,875.90
  5. Step 5: Solve for x
    x = 17,470,875.90/4,690.38
  6. Step 6: Final answer
    x = 3,724.83

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1.5x scale

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.