Home / 6,457.64-9,684.44-2,074.12

Finding the Fourth Proportional to 6,457.64, 9,684.44 and 2,074.12

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Solution

The fourth proportional to 6,457.64, 9,684.44 and 2,074.12 is: 3,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.64 : 9,684.44 = 2,074.12 : x
  2. Step 2: Convert to fraction form
    6,457.64/9,684.44 = 2,074.12/x
  3. Step 3: Cross multiply
    6,457.64x = 9,684.44 × 2,074.12
  4. Step 4: Simplify right side
    6,457.64x = 20,086,690.69
  5. Step 5: Solve for x
    x = 20,086,690.69/6,457.64
  6. Step 6: Final answer
    x = 3,110.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.