Home / 7,374.78-10,177.26-4,390.04

Finding the Fourth Proportional to 7,374.78, 10,177.26 and 4,390.04

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Solution

The fourth proportional to 7,374.78, 10,177.26 and 4,390.04 is: 6,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.78 : 10,177.26 = 4,390.04 : x
  2. Step 2: Convert to fraction form
    7,374.78/10,177.26 = 4,390.04/x
  3. Step 3: Cross multiply
    7,374.78x = 10,177.26 × 4,390.04
  4. Step 4: Simplify right side
    7,374.78x = 44,678,578.49
  5. Step 5: Solve for x
    x = 44,678,578.49/7,374.78
  6. Step 6: Final answer
    x = 6,058.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.