Home / 5,714.04-7,886.22-3,618.36

Finding the Fourth Proportional to 5,714.04, 7,886.22 and 3,618.36

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Solution

The fourth proportional to 5,714.04, 7,886.22 and 3,618.36 is: 4,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.04 : 7,886.22 = 3,618.36 : x
  2. Step 2: Convert to fraction form
    5,714.04/7,886.22 = 3,618.36/x
  3. Step 3: Cross multiply
    5,714.04x = 7,886.22 × 3,618.36
  4. Step 4: Simplify right side
    5,714.04x = 28,535,183.00
  5. Step 5: Solve for x
    x = 28,535,183.00/5,714.04
  6. Step 6: Final answer
    x = 4,993.87

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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.