Home / 7,119.36-10,678.32-2,502

Finding the Fourth Proportional to 7,119.36, 10,678.32 and 2,502

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Solution

The fourth proportional to 7,119.36, 10,678.32 and 2,502 is: 3,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.36 : 10,678.32 = 2,502 : x
  2. Step 2: Convert to fraction form
    7,119.36/10,678.32 = 2,502/x
  3. Step 3: Cross multiply
    7,119.36x = 10,678.32 × 2,502
  4. Step 4: Simplify right side
    7,119.36x = 26,717,156.64
  5. Step 5: Solve for x
    x = 26,717,156.64/7,119.36
  6. Step 6: Final answer
    x = 3,752.75

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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.