Home / 2,958.36-4,457.60-2,449.68

Finding the Fourth Proportional to 2,958.36, 4,457.60 and 2,449.68

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Solution

The fourth proportional to 2,958.36, 4,457.60 and 2,449.68 is: 3,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.36 : 4,457.60 = 2,449.68 : x
  2. Step 2: Convert to fraction form
    2,958.36/4,457.60 = 2,449.68/x
  3. Step 3: Cross multiply
    2,958.36x = 4,457.60 × 2,449.68
  4. Step 4: Simplify right side
    2,958.36x = 10,919,693.57
  5. Step 5: Solve for x
    x = 10,919,693.57/2,958.36
  6. Step 6: Final answer
    x = 3,691.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.