Home / 3,173.63-4,381.11-2,113.16

Finding the Fourth Proportional to 3,173.63, 4,381.11 and 2,113.16

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Solution

The fourth proportional to 3,173.63, 4,381.11 and 2,113.16 is: 2,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.63 : 4,381.11 = 2,113.16 : x
  2. Step 2: Convert to fraction form
    3,173.63/4,381.11 = 2,113.16/x
  3. Step 3: Cross multiply
    3,173.63x = 4,381.11 × 2,113.16
  4. Step 4: Simplify right side
    3,173.63x = 9,257,964.50
  5. Step 5: Solve for x
    x = 9,257,964.50/3,173.63
  6. Step 6: Final answer
    x = 2,917.16

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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.