Home / 5,987.75-8,981.42-1,827.59

Finding the Fourth Proportional to 5,987.75, 8,981.42 and 1,827.59

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Solution

The fourth proportional to 5,987.75, 8,981.42 and 1,827.59 is: 2,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.75 : 8,981.42 = 1,827.59 : x
  2. Step 2: Convert to fraction form
    5,987.75/8,981.42 = 1,827.59/x
  3. Step 3: Cross multiply
    5,987.75x = 8,981.42 × 1,827.59
  4. Step 4: Simplify right side
    5,987.75x = 16,414,299.33
  5. Step 5: Solve for x
    x = 16,414,299.33/5,987.75
  6. Step 6: Final answer
    x = 2,741.32

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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.