Home / 7,376.84-10,179.91-4,019.68

Finding the Fourth Proportional to 7,376.84, 10,179.91 and 4,019.68

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Solution

The fourth proportional to 7,376.84, 10,179.91 and 4,019.68 is: 5,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.84 : 10,179.91 = 4,019.68 : x
  2. Step 2: Convert to fraction form
    7,376.84/10,179.91 = 4,019.68/x
  3. Step 3: Cross multiply
    7,376.84x = 10,179.91 × 4,019.68
  4. Step 4: Simplify right side
    7,376.84x = 40,919,998.38
  5. Step 5: Solve for x
    x = 40,919,998.38/7,376.84
  6. Step 6: Final answer
    x = 5,547.09

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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.