Home / 5,179.59-7,152.05-4,222.65

Finding the Fourth Proportional to 5,179.59, 7,152.05 and 4,222.65

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Solution

The fourth proportional to 5,179.59, 7,152.05 and 4,222.65 is: 5,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.59 : 7,152.05 = 4,222.65 : x
  2. Step 2: Convert to fraction form
    5,179.59/7,152.05 = 4,222.65/x
  3. Step 3: Cross multiply
    5,179.59x = 7,152.05 × 4,222.65
  4. Step 4: Simplify right side
    5,179.59x = 30,200,641.31
  5. Step 5: Solve for x
    x = 30,200,641.31/5,179.59
  6. Step 6: Final answer
    x = 5,830.70

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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.