Home / 4,140.56-5,714.87-2,548.57

Finding the Fourth Proportional to 4,140.56, 5,714.87 and 2,548.57

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Solution

The fourth proportional to 4,140.56, 5,714.87 and 2,548.57 is: 3,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.56 : 5,714.87 = 2,548.57 : x
  2. Step 2: Convert to fraction form
    4,140.56/5,714.87 = 2,548.57/x
  3. Step 3: Cross multiply
    4,140.56x = 5,714.87 × 2,548.57
  4. Step 4: Simplify right side
    4,140.56x = 14,564,746.24
  5. Step 5: Solve for x
    x = 14,564,746.24/4,140.56
  6. Step 6: Final answer
    x = 3,517.58

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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.