Home / 2,457.25-3,391.10-1,338.14

Finding the Fourth Proportional to 2,457.25, 3,391.10 and 1,338.14

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Solution

The fourth proportional to 2,457.25, 3,391.10 and 1,338.14 is: 1,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.25 : 3,391.10 = 1,338.14 : x
  2. Step 2: Convert to fraction form
    2,457.25/3,391.10 = 1,338.14/x
  3. Step 3: Cross multiply
    2,457.25x = 3,391.10 × 1,338.14
  4. Step 4: Simplify right side
    2,457.25x = 4,537,754.28
  5. Step 5: Solve for x
    x = 4,537,754.28/2,457.25
  6. Step 6: Final answer
    x = 1,846.68

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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.