Home / 5,931.72-8,186.19-3,279.07

Finding the Fourth Proportional to 5,931.72, 8,186.19 and 3,279.07

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Solution

The fourth proportional to 5,931.72, 8,186.19 and 3,279.07 is: 4,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.72 : 8,186.19 = 3,279.07 : x
  2. Step 2: Convert to fraction form
    5,931.72/8,186.19 = 3,279.07/x
  3. Step 3: Cross multiply
    5,931.72x = 8,186.19 × 3,279.07
  4. Step 4: Simplify right side
    5,931.72x = 26,843,090.04
  5. Step 5: Solve for x
    x = 26,843,090.04/5,931.72
  6. Step 6: Final answer
    x = 4,525.35

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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.