Home / 7,620.48-11,430.60-2,426.28

Finding the Fourth Proportional to 7,620.48, 11,430.60 and 2,426.28

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Solution

The fourth proportional to 7,620.48, 11,430.60 and 2,426.28 is: 3,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.48 : 11,430.60 = 2,426.28 : x
  2. Step 2: Convert to fraction form
    7,620.48/11,430.60 = 2,426.28/x
  3. Step 3: Cross multiply
    7,620.48x = 11,430.60 × 2,426.28
  4. Step 4: Simplify right side
    7,620.48x = 27,733,836.17
  5. Step 5: Solve for x
    x = 27,733,836.17/7,620.48
  6. Step 6: Final answer
    x = 3,639.38

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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.