Home / 3,588.24-5,378.64-1,509.48

Finding the Fourth Proportional to 3,588.24, 5,378.64 and 1,509.48

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Solution

The fourth proportional to 3,588.24, 5,378.64 and 1,509.48 is: 2,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.24 : 5,378.64 = 1,509.48 : x
  2. Step 2: Convert to fraction form
    3,588.24/5,378.64 = 1,509.48/x
  3. Step 3: Cross multiply
    3,588.24x = 5,378.64 × 1,509.48
  4. Step 4: Simplify right side
    3,588.24x = 8,118,949.51
  5. Step 5: Solve for x
    x = 8,118,949.51/3,588.24
  6. Step 6: Final answer
    x = 2,262.66

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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.