Home / 5,518.72-8,278.31-2,594.98

Finding the Fourth Proportional to 5,518.72, 8,278.31 and 2,594.98

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Solution

The fourth proportional to 5,518.72, 8,278.31 and 2,594.98 is: 3,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.72 : 8,278.31 = 2,594.98 : x
  2. Step 2: Convert to fraction form
    5,518.72/8,278.31 = 2,594.98/x
  3. Step 3: Cross multiply
    5,518.72x = 8,278.31 × 2,594.98
  4. Step 4: Simplify right side
    5,518.72x = 21,482,048.88
  5. Step 5: Solve for x
    x = 21,482,048.88/5,518.72
  6. Step 6: Final answer
    x = 3,892.58

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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.