Home / 7,176.87-9,904.55-4,152.60

Finding the Fourth Proportional to 7,176.87, 9,904.55 and 4,152.60

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Solution

The fourth proportional to 7,176.87, 9,904.55 and 4,152.60 is: 5,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.87 : 9,904.55 = 4,152.60 : x
  2. Step 2: Convert to fraction form
    7,176.87/9,904.55 = 4,152.60/x
  3. Step 3: Cross multiply
    7,176.87x = 9,904.55 × 4,152.60
  4. Step 4: Simplify right side
    7,176.87x = 41,129,613.57
  5. Step 5: Solve for x
    x = 41,129,613.57/7,176.87
  6. Step 6: Final answer
    x = 5,730.86

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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.