Home / 4,958.83-7,430.34-2,618.74

Finding the Fourth Proportional to 4,958.83, 7,430.34 and 2,618.74

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Solution

The fourth proportional to 4,958.83, 7,430.34 and 2,618.74 is: 3,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.83 : 7,430.34 = 2,618.74 : x
  2. Step 2: Convert to fraction form
    4,958.83/7,430.34 = 2,618.74/x
  3. Step 3: Cross multiply
    4,958.83x = 7,430.34 × 2,618.74
  4. Step 4: Simplify right side
    4,958.83x = 19,458,128.57
  5. Step 5: Solve for x
    x = 19,458,128.57/4,958.83
  6. Step 6: Final answer
    x = 3,923.94

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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.