Home / 5,634.68-7,775.73-3,116.79

Finding the Fourth Proportional to 5,634.68, 7,775.73 and 3,116.79

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Solution

The fourth proportional to 5,634.68, 7,775.73 and 3,116.79 is: 4,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.68 : 7,775.73 = 3,116.79 : x
  2. Step 2: Convert to fraction form
    5,634.68/7,775.73 = 3,116.79/x
  3. Step 3: Cross multiply
    5,634.68x = 7,775.73 × 3,116.79
  4. Step 4: Simplify right side
    5,634.68x = 24,235,317.51
  5. Step 5: Solve for x
    x = 24,235,317.51/5,634.68
  6. Step 6: Final answer
    x = 4,301.10

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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.