Home / 7,110.05-10,664.96-2,430

Finding the Fourth Proportional to 7,110.05, 10,664.96 and 2,430

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Solution

The fourth proportional to 7,110.05, 10,664.96 and 2,430 is: 3,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.05 : 10,664.96 = 2,430 : x
  2. Step 2: Convert to fraction form
    7,110.05/10,664.96 = 2,430/x
  3. Step 3: Cross multiply
    7,110.05x = 10,664.96 × 2,430
  4. Step 4: Simplify right side
    7,110.05x = 25,915,840.65
  5. Step 5: Solve for x
    x = 25,915,840.65/7,110.05
  6. Step 6: Final answer
    x = 3,644.96

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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.