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Finding the Fourth Proportional to 5,854.91, 8,783.45 and 1,853.30

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Solution

The fourth proportional to 5,854.91, 8,783.45 and 1,853.30 is: 2,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.91 : 8,783.45 = 1,853.30 : x
  2. Step 2: Convert to fraction form
    5,854.91/8,783.45 = 1,853.30/x
  3. Step 3: Cross multiply
    5,854.91x = 8,783.45 × 1,853.30
  4. Step 4: Simplify right side
    5,854.91x = 16,278,358.62
  5. Step 5: Solve for x
    x = 16,278,358.62/5,854.91
  6. Step 6: Final answer
    x = 2,780.29

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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.