Home / 5,084.69-7,619.74-2,888.78

Finding the Fourth Proportional to 5,084.69, 7,619.74 and 2,888.78

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Solution

The fourth proportional to 5,084.69, 7,619.74 and 2,888.78 is: 4,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.69 : 7,619.74 = 2,888.78 : x
  2. Step 2: Convert to fraction form
    5,084.69/7,619.74 = 2,888.78/x
  3. Step 3: Cross multiply
    5,084.69x = 7,619.74 × 2,888.78
  4. Step 4: Simplify right side
    5,084.69x = 22,011,707.20
  5. Step 5: Solve for x
    x = 22,011,707.20/5,084.69
  6. Step 6: Final answer
    x = 4,329.02

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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.