Home / 7,624.12-10,519.59-4,828

Finding the Fourth Proportional to 7,624.12, 10,519.59 and 4,828

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Solution

The fourth proportional to 7,624.12, 10,519.59 and 4,828 is: 6,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.12 : 10,519.59 = 4,828 : x
  2. Step 2: Convert to fraction form
    7,624.12/10,519.59 = 4,828/x
  3. Step 3: Cross multiply
    7,624.12x = 10,519.59 × 4,828
  4. Step 4: Simplify right side
    7,624.12x = 50,788,580.52
  5. Step 5: Solve for x
    x = 50,788,580.52/7,624.12
  6. Step 6: Final answer
    x = 6,661.57

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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.