Home / 5,425.03-8,133.44-4,328.79

Finding the Fourth Proportional to 5,425.03, 8,133.44 and 4,328.79

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Solution

The fourth proportional to 5,425.03, 8,133.44 and 4,328.79 is: 6,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.03 : 8,133.44 = 4,328.79 : x
  2. Step 2: Convert to fraction form
    5,425.03/8,133.44 = 4,328.79/x
  3. Step 3: Cross multiply
    5,425.03x = 8,133.44 × 4,328.79
  4. Step 4: Simplify right side
    5,425.03x = 35,207,953.74
  5. Step 5: Solve for x
    x = 35,207,953.74/5,425.03
  6. Step 6: Final answer
    x = 6,489.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.