Home / 3,508.36-4,837.61-2,868.31

Finding the Fourth Proportional to 3,508.36, 4,837.61 and 2,868.31

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Solution

The fourth proportional to 3,508.36, 4,837.61 and 2,868.31 is: 3,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.36 : 4,837.61 = 2,868.31 : x
  2. Step 2: Convert to fraction form
    3,508.36/4,837.61 = 2,868.31/x
  3. Step 3: Cross multiply
    3,508.36x = 4,837.61 × 2,868.31
  4. Step 4: Simplify right side
    3,508.36x = 13,875,757.75
  5. Step 5: Solve for x
    x = 13,875,757.75/3,508.36
  6. Step 6: Final answer
    x = 3,955.05

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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.