Home / 5,967.16-8,230.12-3,980.32

Finding the Fourth Proportional to 5,967.16, 8,230.12 and 3,980.32

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Solution

The fourth proportional to 5,967.16, 8,230.12 and 3,980.32 is: 5,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.16 : 8,230.12 = 3,980.32 : x
  2. Step 2: Convert to fraction form
    5,967.16/8,230.12 = 3,980.32/x
  3. Step 3: Cross multiply
    5,967.16x = 8,230.12 × 3,980.32
  4. Step 4: Simplify right side
    5,967.16x = 32,758,511.24
  5. Step 5: Solve for x
    x = 32,758,511.24/5,967.16
  6. Step 6: Final answer
    x = 5,489.80

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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.