Home / 5,679.36-7,838.37-3,322.26

Finding the Fourth Proportional to 5,679.36, 7,838.37 and 3,322.26

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Solution

The fourth proportional to 5,679.36, 7,838.37 and 3,322.26 is: 4,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.36 : 7,838.37 = 3,322.26 : x
  2. Step 2: Convert to fraction form
    5,679.36/7,838.37 = 3,322.26/x
  3. Step 3: Cross multiply
    5,679.36x = 7,838.37 × 3,322.26
  4. Step 4: Simplify right side
    5,679.36x = 26,041,103.12
  5. Step 5: Solve for x
    x = 26,041,103.12/5,679.36
  6. Step 6: Final answer
    x = 4,585.22

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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.