Home / 2,087.62-2,883.07-1,806.51

Finding the Fourth Proportional to 2,087.62, 2,883.07 and 1,806.51

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Solution

The fourth proportional to 2,087.62, 2,883.07 and 1,806.51 is: 2,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.62 : 2,883.07 = 1,806.51 : x
  2. Step 2: Convert to fraction form
    2,087.62/2,883.07 = 1,806.51/x
  3. Step 3: Cross multiply
    2,087.62x = 2,883.07 × 1,806.51
  4. Step 4: Simplify right side
    2,087.62x = 5,208,294.79
  5. Step 5: Solve for x
    x = 5,208,294.79/2,087.62
  6. Step 6: Final answer
    x = 2,494.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.