Home / 4,115.16-5,679.24-2,347.32

Finding the Fourth Proportional to 4,115.16, 5,679.24 and 2,347.32

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Solution

The fourth proportional to 4,115.16, 5,679.24 and 2,347.32 is: 3,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.16 : 5,679.24 = 2,347.32 : x
  2. Step 2: Convert to fraction form
    4,115.16/5,679.24 = 2,347.32/x
  3. Step 3: Cross multiply
    4,115.16x = 5,679.24 × 2,347.32
  4. Step 4: Simplify right side
    4,115.16x = 13,330,993.64
  5. Step 5: Solve for x
    x = 13,330,993.64/4,115.16
  6. Step 6: Final answer
    x = 3,239.48

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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.