Home / 2,842.01-3,921.79-1,582.97

Finding the Fourth Proportional to 2,842.01, 3,921.79 and 1,582.97

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Solution

The fourth proportional to 2,842.01, 3,921.79 and 1,582.97 is: 2,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.01 : 3,921.79 = 1,582.97 : x
  2. Step 2: Convert to fraction form
    2,842.01/3,921.79 = 1,582.97/x
  3. Step 3: Cross multiply
    2,842.01x = 3,921.79 × 1,582.97
  4. Step 4: Simplify right side
    2,842.01x = 6,208,070.80
  5. Step 5: Solve for x
    x = 6,208,070.80/2,842.01
  6. Step 6: Final answer
    x = 2,184.39

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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.