Home / 5,080.16-7,010.46-2,842.08

Finding the Fourth Proportional to 5,080.16, 7,010.46 and 2,842.08

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Solution

The fourth proportional to 5,080.16, 7,010.46 and 2,842.08 is: 3,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.16 : 7,010.46 = 2,842.08 : x
  2. Step 2: Convert to fraction form
    5,080.16/7,010.46 = 2,842.08/x
  3. Step 3: Cross multiply
    5,080.16x = 7,010.46 × 2,842.08
  4. Step 4: Simplify right side
    5,080.16x = 19,924,253.10
  5. Step 5: Solve for x
    x = 19,924,253.10/5,080.16
  6. Step 6: Final answer
    x = 3,921.97

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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.