Home / 7,618.74-11,430.27-2,425.02

Finding the Fourth Proportional to 7,618.74, 11,430.27 and 2,425.02

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Solution

The fourth proportional to 7,618.74, 11,430.27 and 2,425.02 is: 3,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.74 : 11,430.27 = 2,425.02 : x
  2. Step 2: Convert to fraction form
    7,618.74/11,430.27 = 2,425.02/x
  3. Step 3: Cross multiply
    7,618.74x = 11,430.27 × 2,425.02
  4. Step 4: Simplify right side
    7,618.74x = 27,718,633.36
  5. Step 5: Solve for x
    x = 27,718,633.36/7,618.74
  6. Step 6: Final answer
    x = 3,638.22

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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.