Home / 7,879.60-10,873.85-4,294.55

Finding the Fourth Proportional to 7,879.60, 10,873.85 and 4,294.55

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Solution

The fourth proportional to 7,879.60, 10,873.85 and 4,294.55 is: 5,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.60 : 10,873.85 = 4,294.55 : x
  2. Step 2: Convert to fraction form
    7,879.60/10,873.85 = 4,294.55/x
  3. Step 3: Cross multiply
    7,879.60x = 10,873.85 × 4,294.55
  4. Step 4: Simplify right side
    7,879.60x = 46,698,318.62
  5. Step 5: Solve for x
    x = 46,698,318.62/7,879.60
  6. Step 6: Final answer
    x = 5,926.49

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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.