Home / 5,418.59-7,477.39-3,061.07

Finding the Fourth Proportional to 5,418.59, 7,477.39 and 3,061.07

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Solution

The fourth proportional to 5,418.59, 7,477.39 and 3,061.07 is: 4,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.59 : 7,477.39 = 3,061.07 : x
  2. Step 2: Convert to fraction form
    5,418.59/7,477.39 = 3,061.07/x
  3. Step 3: Cross multiply
    5,418.59x = 7,477.39 × 3,061.07
  4. Step 4: Simplify right side
    5,418.59x = 22,888,814.21
  5. Step 5: Solve for x
    x = 22,888,814.21/5,418.59
  6. Step 6: Final answer
    x = 4,224.13

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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.