Home / 2,087.44-2,874.09-1,588.48

Finding the Fourth Proportional to 2,087.44, 2,874.09 and 1,588.48

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Solution

The fourth proportional to 2,087.44, 2,874.09 and 1,588.48 is: 2,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.44 : 2,874.09 = 1,588.48 : x
  2. Step 2: Convert to fraction form
    2,087.44/2,874.09 = 1,588.48/x
  3. Step 3: Cross multiply
    2,087.44x = 2,874.09 × 1,588.48
  4. Step 4: Simplify right side
    2,087.44x = 4,565,434.48
  5. Step 5: Solve for x
    x = 4,565,434.48/2,087.44
  6. Step 6: Final answer
    x = 2,187.10

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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.