Home / 5,585.90-7,708.64-3,163.05

Finding the Fourth Proportional to 5,585.90, 7,708.64 and 3,163.05

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Solution

The fourth proportional to 5,585.90, 7,708.64 and 3,163.05 is: 4,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.90 : 7,708.64 = 3,163.05 : x
  2. Step 2: Convert to fraction form
    5,585.90/7,708.64 = 3,163.05/x
  3. Step 3: Cross multiply
    5,585.90x = 7,708.64 × 3,163.05
  4. Step 4: Simplify right side
    5,585.90x = 24,382,797.94
  5. Step 5: Solve for x
    x = 24,382,797.94/5,585.90
  6. Step 6: Final answer
    x = 4,365.07

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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.