Home / 3,623.92-5,436.48-1,159.36

Finding the Fourth Proportional to 3,623.92, 5,436.48 and 1,159.36

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Solution

The fourth proportional to 3,623.92, 5,436.48 and 1,159.36 is: 1,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.92 : 5,436.48 = 1,159.36 : x
  2. Step 2: Convert to fraction form
    3,623.92/5,436.48 = 1,159.36/x
  3. Step 3: Cross multiply
    3,623.92x = 5,436.48 × 1,159.36
  4. Step 4: Simplify right side
    3,623.92x = 6,302,837.45
  5. Step 5: Solve for x
    x = 6,302,837.45/3,623.92
  6. Step 6: Final answer
    x = 1,739.23

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1.5x scale

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.