Home / 5,913.36-8,160.84-3,429.36

Finding the Fourth Proportional to 5,913.36, 8,160.84 and 3,429.36

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Solution

The fourth proportional to 5,913.36, 8,160.84 and 3,429.36 is: 4,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.36 : 8,160.84 = 3,429.36 : x
  2. Step 2: Convert to fraction form
    5,913.36/8,160.84 = 3,429.36/x
  3. Step 3: Cross multiply
    5,913.36x = 8,160.84 × 3,429.36
  4. Step 4: Simplify right side
    5,913.36x = 27,986,458.26
  5. Step 5: Solve for x
    x = 27,986,458.26/5,913.36
  6. Step 6: Final answer
    x = 4,732.75

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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.