Home / 1,873.32-2,584.89-1,087.23

Finding the Fourth Proportional to 1,873.32, 2,584.89 and 1,087.23

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Solution

The fourth proportional to 1,873.32, 2,584.89 and 1,087.23 is: 1,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.32 : 2,584.89 = 1,087.23 : x
  2. Step 2: Convert to fraction form
    1,873.32/2,584.89 = 1,087.23/x
  3. Step 3: Cross multiply
    1,873.32x = 2,584.89 × 1,087.23
  4. Step 4: Simplify right side
    1,873.32x = 2,810,369.95
  5. Step 5: Solve for x
    x = 2,810,369.95/1,873.32
  6. Step 6: Final answer
    x = 1,500.21

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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.