Home / 5,446.85-8,157.31-4,578.53

Finding the Fourth Proportional to 5,446.85, 8,157.31 and 4,578.53

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Solution

The fourth proportional to 5,446.85, 8,157.31 and 4,578.53 is: 6,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.85 : 8,157.31 = 4,578.53 : x
  2. Step 2: Convert to fraction form
    5,446.85/8,157.31 = 4,578.53/x
  3. Step 3: Cross multiply
    5,446.85x = 8,157.31 × 4,578.53
  4. Step 4: Simplify right side
    5,446.85x = 37,348,436.32
  5. Step 5: Solve for x
    x = 37,348,436.32/5,446.85
  6. Step 6: Final answer
    x = 6,856.89

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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.