Home / 7,620.18-11,430.96-2,073.54

Finding the Fourth Proportional to 7,620.18, 11,430.96 and 2,073.54

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Solution

The fourth proportional to 7,620.18, 11,430.96 and 2,073.54 is: 3,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.18 : 11,430.96 = 2,073.54 : x
  2. Step 2: Convert to fraction form
    7,620.18/11,430.96 = 2,073.54/x
  3. Step 3: Cross multiply
    7,620.18x = 11,430.96 × 2,073.54
  4. Step 4: Simplify right side
    7,620.18x = 23,702,552.80
  5. Step 5: Solve for x
    x = 23,702,552.80/7,620.18
  6. Step 6: Final answer
    x = 3,110.50

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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.