Home / 7,137.64-10,703.79-2,456.32

Finding the Fourth Proportional to 7,137.64, 10,703.79 and 2,456.32

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Solution

The fourth proportional to 7,137.64, 10,703.79 and 2,456.32 is: 3,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.64 : 10,703.79 = 2,456.32 : x
  2. Step 2: Convert to fraction form
    7,137.64/10,703.79 = 2,456.32/x
  3. Step 3: Cross multiply
    7,137.64x = 10,703.79 × 2,456.32
  4. Step 4: Simplify right side
    7,137.64x = 26,291,933.45
  5. Step 5: Solve for x
    x = 26,291,933.45/7,137.64
  6. Step 6: Final answer
    x = 3,683.56

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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.