Home / 5,011-7,515.88-2,088.92

Finding the Fourth Proportional to 5,011, 7,515.88 and 2,088.92

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Solution

The fourth proportional to 5,011, 7,515.88 and 2,088.92 is: 3,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011 : 7,515.88 = 2,088.92 : x
  2. Step 2: Convert to fraction form
    5,011/7,515.88 = 2,088.92/x
  3. Step 3: Cross multiply
    5,011x = 7,515.88 × 2,088.92
  4. Step 4: Simplify right side
    5,011x = 15,700,072.05
  5. Step 5: Solve for x
    x = 15,700,072.05/5,011
  6. Step 6: Final answer
    x = 3,133.12

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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.