Home / 4,900.30-7,350.55-3,865.93

Finding the Fourth Proportional to 4,900.30, 7,350.55 and 3,865.93

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Solution

The fourth proportional to 4,900.30, 7,350.55 and 3,865.93 is: 5,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.30 : 7,350.55 = 3,865.93 : x
  2. Step 2: Convert to fraction form
    4,900.30/7,350.55 = 3,865.93/x
  3. Step 3: Cross multiply
    4,900.30x = 7,350.55 × 3,865.93
  4. Step 4: Simplify right side
    4,900.30x = 28,416,683.72
  5. Step 5: Solve for x
    x = 28,416,683.72/4,900.30
  6. Step 6: Final answer
    x = 5,798.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.