Home / 4,115.58-5,679.53-2,347.17

Finding the Fourth Proportional to 4,115.58, 5,679.53 and 2,347.17

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Solution

The fourth proportional to 4,115.58, 5,679.53 and 2,347.17 is: 3,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.58 : 5,679.53 = 2,347.17 : x
  2. Step 2: Convert to fraction form
    4,115.58/5,679.53 = 2,347.17/x
  3. Step 3: Cross multiply
    4,115.58x = 5,679.53 × 2,347.17
  4. Step 4: Simplify right side
    4,115.58x = 13,330,822.43
  5. Step 5: Solve for x
    x = 13,330,822.43/4,115.58
  6. Step 6: Final answer
    x = 3,239.11

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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.