Home / 6,120.16-8,445.66-3,467.32

Finding the Fourth Proportional to 6,120.16, 8,445.66 and 3,467.32

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Solution

The fourth proportional to 6,120.16, 8,445.66 and 3,467.32 is: 4,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.16 : 8,445.66 = 3,467.32 : x
  2. Step 2: Convert to fraction form
    6,120.16/8,445.66 = 3,467.32/x
  3. Step 3: Cross multiply
    6,120.16x = 8,445.66 × 3,467.32
  4. Step 4: Simplify right side
    6,120.16x = 29,283,805.83
  5. Step 5: Solve for x
    x = 29,283,805.83/6,120.16
  6. Step 6: Final answer
    x = 4,784.81

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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.