Home / 5,714.05-8,570.19-2,205.70

Finding the Fourth Proportional to 5,714.05, 8,570.19 and 2,205.70

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Solution

The fourth proportional to 5,714.05, 8,570.19 and 2,205.70 is: 3,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.05 : 8,570.19 = 2,205.70 : x
  2. Step 2: Convert to fraction form
    5,714.05/8,570.19 = 2,205.70/x
  3. Step 3: Cross multiply
    5,714.05x = 8,570.19 × 2,205.70
  4. Step 4: Simplify right side
    5,714.05x = 18,903,268.08
  5. Step 5: Solve for x
    x = 18,903,268.08/5,714.05
  6. Step 6: Final answer
    x = 3,308.21

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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.