Home / 7,336.59-10,124.47-3,979.39

Finding the Fourth Proportional to 7,336.59, 10,124.47 and 3,979.39

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Solution

The fourth proportional to 7,336.59, 10,124.47 and 3,979.39 is: 5,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.59 : 10,124.47 = 3,979.39 : x
  2. Step 2: Convert to fraction form
    7,336.59/10,124.47 = 3,979.39/x
  3. Step 3: Cross multiply
    7,336.59x = 10,124.47 × 3,979.39
  4. Step 4: Simplify right side
    7,336.59x = 40,289,194.78
  5. Step 5: Solve for x
    x = 40,289,194.78/7,336.59
  6. Step 6: Final answer
    x = 5,491.54

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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.