Home / 3,038.56-4,193.91-2,540.34

Finding the Fourth Proportional to 3,038.56, 4,193.91 and 2,540.34

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Solution

The fourth proportional to 3,038.56, 4,193.91 and 2,540.34 is: 3,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.56 : 4,193.91 = 2,540.34 : x
  2. Step 2: Convert to fraction form
    3,038.56/4,193.91 = 2,540.34/x
  3. Step 3: Cross multiply
    3,038.56x = 4,193.91 × 2,540.34
  4. Step 4: Simplify right side
    3,038.56x = 10,653,956.25
  5. Step 5: Solve for x
    x = 10,653,956.25/3,038.56
  6. Step 6: Final answer
    x = 3,506.25

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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.