Home / 5,087.16-7,632.18-1,624.68

Finding the Fourth Proportional to 5,087.16, 7,632.18 and 1,624.68

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Solution

The fourth proportional to 5,087.16, 7,632.18 and 1,624.68 is: 2,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.16 : 7,632.18 = 1,624.68 : x
  2. Step 2: Convert to fraction form
    5,087.16/7,632.18 = 1,624.68/x
  3. Step 3: Cross multiply
    5,087.16x = 7,632.18 × 1,624.68
  4. Step 4: Simplify right side
    5,087.16x = 12,399,850.20
  5. Step 5: Solve for x
    x = 12,399,850.20/5,087.16
  6. Step 6: Final answer
    x = 2,437.48

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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.