Home / 5,088.45-7,633.76-1,578.38

Finding the Fourth Proportional to 5,088.45, 7,633.76 and 1,578.38

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Solution

The fourth proportional to 5,088.45, 7,633.76 and 1,578.38 is: 2,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.45 : 7,633.76 = 1,578.38 : x
  2. Step 2: Convert to fraction form
    5,088.45/7,633.76 = 1,578.38/x
  3. Step 3: Cross multiply
    5,088.45x = 7,633.76 × 1,578.38
  4. Step 4: Simplify right side
    5,088.45x = 12,048,997.14
  5. Step 5: Solve for x
    x = 12,048,997.14/5,088.45
  6. Step 6: Final answer
    x = 2,367.91

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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.