Home / 5,429.20-7,493.40-5,059.84

Finding the Fourth Proportional to 5,429.20, 7,493.40 and 5,059.84

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Solution

The fourth proportional to 5,429.20, 7,493.40 and 5,059.84 is: 6,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.20 : 7,493.40 = 5,059.84 : x
  2. Step 2: Convert to fraction form
    5,429.20/7,493.40 = 5,059.84/x
  3. Step 3: Cross multiply
    5,429.20x = 7,493.40 × 5,059.84
  4. Step 4: Simplify right side
    5,429.20x = 37,915,405.06
  5. Step 5: Solve for x
    x = 37,915,405.06/5,429.20
  6. Step 6: Final answer
    x = 6,983.61

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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.