Home / 5,457.26-7,534.46-3,867.28

Finding the Fourth Proportional to 5,457.26, 7,534.46 and 3,867.28

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Solution

The fourth proportional to 5,457.26, 7,534.46 and 3,867.28 is: 5,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.26 : 7,534.46 = 3,867.28 : x
  2. Step 2: Convert to fraction form
    5,457.26/7,534.46 = 3,867.28/x
  3. Step 3: Cross multiply
    5,457.26x = 7,534.46 × 3,867.28
  4. Step 4: Simplify right side
    5,457.26x = 29,137,857.30
  5. Step 5: Solve for x
    x = 29,137,857.30/5,457.26
  6. Step 6: Final answer
    x = 5,339.28

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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.