Home / 5,635.20-8,445.51-3,783.54

Finding the Fourth Proportional to 5,635.20, 8,445.51 and 3,783.54

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Solution

The fourth proportional to 5,635.20, 8,445.51 and 3,783.54 is: 5,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.20 : 8,445.51 = 3,783.54 : x
  2. Step 2: Convert to fraction form
    5,635.20/8,445.51 = 3,783.54/x
  3. Step 3: Cross multiply
    5,635.20x = 8,445.51 × 3,783.54
  4. Step 4: Simplify right side
    5,635.20x = 31,953,924.91
  5. Step 5: Solve for x
    x = 31,953,924.91/5,635.20
  6. Step 6: Final answer
    x = 5,670.42

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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.