Home / 6,251.80-8,626.86-3,457.12

Finding the Fourth Proportional to 6,251.80, 8,626.86 and 3,457.12

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Solution

The fourth proportional to 6,251.80, 8,626.86 and 3,457.12 is: 4,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.80 : 8,626.86 = 3,457.12 : x
  2. Step 2: Convert to fraction form
    6,251.80/8,626.86 = 3,457.12/x
  3. Step 3: Cross multiply
    6,251.80x = 8,626.86 × 3,457.12
  4. Step 4: Simplify right side
    6,251.80x = 29,824,090.24
  5. Step 5: Solve for x
    x = 29,824,090.24/6,251.80
  6. Step 6: Final answer
    x = 4,770.48

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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.