Home / 5,752.20-8,628.35-3,153.72

Finding the Fourth Proportional to 5,752.20, 8,628.35 and 3,153.72

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Solution

The fourth proportional to 5,752.20, 8,628.35 and 3,153.72 is: 4,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.20 : 8,628.35 = 3,153.72 : x
  2. Step 2: Convert to fraction form
    5,752.20/8,628.35 = 3,153.72/x
  3. Step 3: Cross multiply
    5,752.20x = 8,628.35 × 3,153.72
  4. Step 4: Simplify right side
    5,752.20x = 27,211,399.96
  5. Step 5: Solve for x
    x = 27,211,399.96/5,752.20
  6. Step 6: Final answer
    x = 4,730.61

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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.