Home / 5,087.07-7,631.69-1,576.99

Finding the Fourth Proportional to 5,087.07, 7,631.69 and 1,576.99

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Solution

The fourth proportional to 5,087.07, 7,631.69 and 1,576.99 is: 2,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.07 : 7,631.69 = 1,576.99 : x
  2. Step 2: Convert to fraction form
    5,087.07/7,631.69 = 1,576.99/x
  3. Step 3: Cross multiply
    5,087.07x = 7,631.69 × 1,576.99
  4. Step 4: Simplify right side
    5,087.07x = 12,035,125.26
  5. Step 5: Solve for x
    x = 12,035,125.26/5,087.07
  6. Step 6: Final answer
    x = 2,365.83

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1.5x scale

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.