Home / 4,079.31-5,629.95-2,310.89

Finding the Fourth Proportional to 4,079.31, 5,629.95 and 2,310.89

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Solution

The fourth proportional to 4,079.31, 5,629.95 and 2,310.89 is: 3,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.31 : 5,629.95 = 2,310.89 : x
  2. Step 2: Convert to fraction form
    4,079.31/5,629.95 = 2,310.89/x
  3. Step 3: Cross multiply
    4,079.31x = 5,629.95 × 2,310.89
  4. Step 4: Simplify right side
    4,079.31x = 13,010,167.01
  5. Step 5: Solve for x
    x = 13,010,167.01/4,079.31
  6. Step 6: Final answer
    x = 3,189.31

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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.