Home / 3,189.53-4,399.16-2,070.51

Finding the Fourth Proportional to 3,189.53, 4,399.16 and 2,070.51

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Solution

The fourth proportional to 3,189.53, 4,399.16 and 2,070.51 is: 2,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.53 : 4,399.16 = 2,070.51 : x
  2. Step 2: Convert to fraction form
    3,189.53/4,399.16 = 2,070.51/x
  3. Step 3: Cross multiply
    3,189.53x = 4,399.16 × 2,070.51
  4. Step 4: Simplify right side
    3,189.53x = 9,108,494.42
  5. Step 5: Solve for x
    x = 9,108,494.42/3,189.53
  6. Step 6: Final answer
    x = 2,855.75

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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.