Home / 5,055.91-7,578.66-1,935.07

Finding the Fourth Proportional to 5,055.91, 7,578.66 and 1,935.07

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Solution

The fourth proportional to 5,055.91, 7,578.66 and 1,935.07 is: 2,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.91 : 7,578.66 = 1,935.07 : x
  2. Step 2: Convert to fraction form
    5,055.91/7,578.66 = 1,935.07/x
  3. Step 3: Cross multiply
    5,055.91x = 7,578.66 × 1,935.07
  4. Step 4: Simplify right side
    5,055.91x = 14,665,225.92
  5. Step 5: Solve for x
    x = 14,665,225.92/5,055.91
  6. Step 6: Final answer
    x = 2,900.61

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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.