Home / 4,140.54-5,714.12-2,372.15

Finding the Fourth Proportional to 4,140.54, 5,714.12 and 2,372.15

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Solution

The fourth proportional to 4,140.54, 5,714.12 and 2,372.15 is: 3,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.54 : 5,714.12 = 2,372.15 : x
  2. Step 2: Convert to fraction form
    4,140.54/5,714.12 = 2,372.15/x
  3. Step 3: Cross multiply
    4,140.54x = 5,714.12 × 2,372.15
  4. Step 4: Simplify right side
    4,140.54x = 13,554,769.97
  5. Step 5: Solve for x
    x = 13,554,769.97/4,140.54
  6. Step 6: Final answer
    x = 3,273.67

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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.