Home / 4,892.48-7,338.63-3,390.11

Finding the Fourth Proportional to 4,892.48, 7,338.63 and 3,390.11

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Solution

The fourth proportional to 4,892.48, 7,338.63 and 3,390.11 is: 5,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.48 : 7,338.63 = 3,390.11 : x
  2. Step 2: Convert to fraction form
    4,892.48/7,338.63 = 3,390.11/x
  3. Step 3: Cross multiply
    4,892.48x = 7,338.63 × 3,390.11
  4. Step 4: Simplify right side
    4,892.48x = 24,878,726.26
  5. Step 5: Solve for x
    x = 24,878,726.26/4,892.48
  6. Step 6: Final answer
    x = 5,085.10

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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.