Home / 5,869.98-8,805.70-1,921.64

Finding the Fourth Proportional to 5,869.98, 8,805.70 and 1,921.64

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Solution

The fourth proportional to 5,869.98, 8,805.70 and 1,921.64 is: 2,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.98 : 8,805.70 = 1,921.64 : x
  2. Step 2: Convert to fraction form
    5,869.98/8,805.70 = 1,921.64/x
  3. Step 3: Cross multiply
    5,869.98x = 8,805.70 × 1,921.64
  4. Step 4: Simplify right side
    5,869.98x = 16,921,385.35
  5. Step 5: Solve for x
    x = 16,921,385.35/5,869.98
  6. Step 6: Final answer
    x = 2,882.70

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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.