Home / 4,811.52-7,215.44-2,312.01

Finding the Fourth Proportional to 4,811.52, 7,215.44 and 2,312.01

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Solution

The fourth proportional to 4,811.52, 7,215.44 and 2,312.01 is: 3,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.52 : 7,215.44 = 2,312.01 : x
  2. Step 2: Convert to fraction form
    4,811.52/7,215.44 = 2,312.01/x
  3. Step 3: Cross multiply
    4,811.52x = 7,215.44 × 2,312.01
  4. Step 4: Simplify right side
    4,811.52x = 16,682,169.43
  5. Step 5: Solve for x
    x = 16,682,169.43/4,811.52
  6. Step 6: Final answer
    x = 3,467.13

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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.