Home / 7,581.94-11,368.95-2,386.42

Finding the Fourth Proportional to 7,581.94, 11,368.95 and 2,386.42

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Solution

The fourth proportional to 7,581.94, 11,368.95 and 2,386.42 is: 3,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.94 : 11,368.95 = 2,386.42 : x
  2. Step 2: Convert to fraction form
    7,581.94/11,368.95 = 2,386.42/x
  3. Step 3: Cross multiply
    7,581.94x = 11,368.95 × 2,386.42
  4. Step 4: Simplify right side
    7,581.94x = 27,131,089.66
  5. Step 5: Solve for x
    x = 27,131,089.66/7,581.94
  6. Step 6: Final answer
    x = 3,578.38

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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.