Home / 3,746.46-5,615.90-2,431.05

Finding the Fourth Proportional to 3,746.46, 5,615.90 and 2,431.05

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Solution

The fourth proportional to 3,746.46, 5,615.90 and 2,431.05 is: 3,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.46 : 5,615.90 = 2,431.05 : x
  2. Step 2: Convert to fraction form
    3,746.46/5,615.90 = 2,431.05/x
  3. Step 3: Cross multiply
    3,746.46x = 5,615.90 × 2,431.05
  4. Step 4: Simplify right side
    3,746.46x = 13,652,521.54
  5. Step 5: Solve for x
    x = 13,652,521.54/3,746.46
  6. Step 6: Final answer
    x = 3,644.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.