Home / 5,618.72-7,752.52-3,260.44

Finding the Fourth Proportional to 5,618.72, 7,752.52 and 3,260.44

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Solution

The fourth proportional to 5,618.72, 7,752.52 and 3,260.44 is: 4,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.72 : 7,752.52 = 3,260.44 : x
  2. Step 2: Convert to fraction form
    5,618.72/7,752.52 = 3,260.44/x
  3. Step 3: Cross multiply
    5,618.72x = 7,752.52 × 3,260.44
  4. Step 4: Simplify right side
    5,618.72x = 25,276,626.31
  5. Step 5: Solve for x
    x = 25,276,626.31/5,618.72
  6. Step 6: Final answer
    x = 4,498.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.