Home / 7,624.51-11,438.45-2,430.38

Finding the Fourth Proportional to 7,624.51, 11,438.45 and 2,430.38

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Solution

The fourth proportional to 7,624.51, 11,438.45 and 2,430.38 is: 3,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.51 : 11,438.45 = 2,430.38 : x
  2. Step 2: Convert to fraction form
    7,624.51/11,438.45 = 2,430.38/x
  3. Step 3: Cross multiply
    7,624.51x = 11,438.45 × 2,430.38
  4. Step 4: Simplify right side
    7,624.51x = 27,799,767.96
  5. Step 5: Solve for x
    x = 27,799,767.96/7,624.51
  6. Step 6: Final answer
    x = 3,646.11

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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.