Home / 5,457.22-7,528.68-3,360.12

Finding the Fourth Proportional to 5,457.22, 7,528.68 and 3,360.12

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Solution

The fourth proportional to 5,457.22, 7,528.68 and 3,360.12 is: 4,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.22 : 7,528.68 = 3,360.12 : x
  2. Step 2: Convert to fraction form
    5,457.22/7,528.68 = 3,360.12/x
  3. Step 3: Cross multiply
    5,457.22x = 7,528.68 × 3,360.12
  4. Step 4: Simplify right side
    5,457.22x = 25,297,268.24
  5. Step 5: Solve for x
    x = 25,297,268.24/5,457.22
  6. Step 6: Final answer
    x = 4,635.56

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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.