Home / 7,087.80-10,632.48-1,894.08

Finding the Fourth Proportional to 7,087.80, 10,632.48 and 1,894.08

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Solution

The fourth proportional to 7,087.80, 10,632.48 and 1,894.08 is: 2,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.80 : 10,632.48 = 1,894.08 : x
  2. Step 2: Convert to fraction form
    7,087.80/10,632.48 = 1,894.08/x
  3. Step 3: Cross multiply
    7,087.80x = 10,632.48 × 1,894.08
  4. Step 4: Simplify right side
    7,087.80x = 20,138,767.72
  5. Step 5: Solve for x
    x = 20,138,767.72/7,087.80
  6. Step 6: Final answer
    x = 2,841.33

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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.