Home / 3,953.48-5,456.56-2,538.95

Finding the Fourth Proportional to 3,953.48, 5,456.56 and 2,538.95

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Solution

The fourth proportional to 3,953.48, 5,456.56 and 2,538.95 is: 3,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.48 : 5,456.56 = 2,538.95 : x
  2. Step 2: Convert to fraction form
    3,953.48/5,456.56 = 2,538.95/x
  3. Step 3: Cross multiply
    3,953.48x = 5,456.56 × 2,538.95
  4. Step 4: Simplify right side
    3,953.48x = 13,853,933.01
  5. Step 5: Solve for x
    x = 13,853,933.01/3,953.48
  6. Step 6: Final answer
    x = 3,504.24

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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.