Home / 3,929.52-5,423.48-2,336.52

Finding the Fourth Proportional to 3,929.52, 5,423.48 and 2,336.52

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Solution

The fourth proportional to 3,929.52, 5,423.48 and 2,336.52 is: 3,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.52 : 5,423.48 = 2,336.52 : x
  2. Step 2: Convert to fraction form
    3,929.52/5,423.48 = 2,336.52/x
  3. Step 3: Cross multiply
    3,929.52x = 5,423.48 × 2,336.52
  4. Step 4: Simplify right side
    3,929.52x = 12,672,069.49
  5. Step 5: Solve for x
    x = 12,672,069.49/3,929.52
  6. Step 6: Final answer
    x = 3,224.84

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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.