Home / 3,237.36-4,467.58-1,911.72

Finding the Fourth Proportional to 3,237.36, 4,467.58 and 1,911.72

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Solution

The fourth proportional to 3,237.36, 4,467.58 and 1,911.72 is: 2,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.36 : 4,467.58 = 1,911.72 : x
  2. Step 2: Convert to fraction form
    3,237.36/4,467.58 = 1,911.72/x
  3. Step 3: Cross multiply
    3,237.36x = 4,467.58 × 1,911.72
  4. Step 4: Simplify right side
    3,237.36x = 8,540,774.01
  5. Step 5: Solve for x
    x = 8,540,774.01/3,237.36
  6. Step 6: Final answer
    x = 2,638.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.