Home / 3,953.10-5,454.34-2,460.22

Finding the Fourth Proportional to 3,953.10, 5,454.34 and 2,460.22

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Solution

The fourth proportional to 3,953.10, 5,454.34 and 2,460.22 is: 3,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.10 : 5,454.34 = 2,460.22 : x
  2. Step 2: Convert to fraction form
    3,953.10/5,454.34 = 2,460.22/x
  3. Step 3: Cross multiply
    3,953.10x = 5,454.34 × 2,460.22
  4. Step 4: Simplify right side
    3,953.10x = 13,418,836.78
  5. Step 5: Solve for x
    x = 13,418,836.78/3,953.10
  6. Step 6: Final answer
    x = 3,394.51

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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.