Home / 4,798.84-6,620.38-3,119.71

Finding the Fourth Proportional to 4,798.84, 6,620.38 and 3,119.71

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Solution

The fourth proportional to 4,798.84, 6,620.38 and 3,119.71 is: 4,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.84 : 6,620.38 = 3,119.71 : x
  2. Step 2: Convert to fraction form
    4,798.84/6,620.38 = 3,119.71/x
  3. Step 3: Cross multiply
    4,798.84x = 6,620.38 × 3,119.71
  4. Step 4: Simplify right side
    4,798.84x = 20,653,665.69
  5. Step 5: Solve for x
    x = 20,653,665.69/4,798.84
  6. Step 6: Final answer
    x = 4,303.89

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Double scale
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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.