Home / 5,590.20-8,392.63-3,749.55

Finding the Fourth Proportional to 5,590.20, 8,392.63 and 3,749.55

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Solution

The fourth proportional to 5,590.20, 8,392.63 and 3,749.55 is: 5,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.20 : 8,392.63 = 3,749.55 : x
  2. Step 2: Convert to fraction form
    5,590.20/8,392.63 = 3,749.55/x
  3. Step 3: Cross multiply
    5,590.20x = 8,392.63 × 3,749.55
  4. Step 4: Simplify right side
    5,590.20x = 31,468,576.44
  5. Step 5: Solve for x
    x = 31,468,576.44/5,590.20
  6. Step 6: Final answer
    x = 5,629.24

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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.