Home / 7,582.51-11,375.61-2,388.39

Finding the Fourth Proportional to 7,582.51, 11,375.61 and 2,388.39

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Solution

The fourth proportional to 7,582.51, 11,375.61 and 2,388.39 is: 3,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.51 : 11,375.61 = 2,388.39 : x
  2. Step 2: Convert to fraction form
    7,582.51/11,375.61 = 2,388.39/x
  3. Step 3: Cross multiply
    7,582.51x = 11,375.61 × 2,388.39
  4. Step 4: Simplify right side
    7,582.51x = 27,169,393.17
  5. Step 5: Solve for x
    x = 27,169,393.17/7,582.51
  6. Step 6: Final answer
    x = 3,583.17

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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.