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Finding the Fourth Proportional to 2,458.48, 3,393.88 and 1,514.48

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Solution

The fourth proportional to 2,458.48, 3,393.88 and 1,514.48 is: 2,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.48 : 3,393.88 = 1,514.48 : x
  2. Step 2: Convert to fraction form
    2,458.48/3,393.88 = 1,514.48/x
  3. Step 3: Cross multiply
    2,458.48x = 3,393.88 × 1,514.48
  4. Step 4: Simplify right side
    2,458.48x = 5,139,963.38
  5. Step 5: Solve for x
    x = 5,139,963.38/2,458.48
  6. Step 6: Final answer
    x = 2,090.71

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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.