Home / 5,853.45-8,781.56-1,693.56

Finding the Fourth Proportional to 5,853.45, 8,781.56 and 1,693.56

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Solution

The fourth proportional to 5,853.45, 8,781.56 and 1,693.56 is: 2,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.45 : 8,781.56 = 1,693.56 : x
  2. Step 2: Convert to fraction form
    5,853.45/8,781.56 = 1,693.56/x
  3. Step 3: Cross multiply
    5,853.45x = 8,781.56 × 1,693.56
  4. Step 4: Simplify right side
    5,853.45x = 14,872,089.70
  5. Step 5: Solve for x
    x = 14,872,089.70/5,853.45
  6. Step 6: Final answer
    x = 2,540.74

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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.