Home / 3,709.13-5,111.55-2,714.72

Finding the Fourth Proportional to 3,709.13, 5,111.55 and 2,714.72

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Solution

The fourth proportional to 3,709.13, 5,111.55 and 2,714.72 is: 3,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.13 : 5,111.55 = 2,714.72 : x
  2. Step 2: Convert to fraction form
    3,709.13/5,111.55 = 2,714.72/x
  3. Step 3: Cross multiply
    3,709.13x = 5,111.55 × 2,714.72
  4. Step 4: Simplify right side
    3,709.13x = 13,876,401.46
  5. Step 5: Solve for x
    x = 13,876,401.46/3,709.13
  6. Step 6: Final answer
    x = 3,741.15

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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.