Home / 4,146.45-5,721.12-2,353.53

Finding the Fourth Proportional to 4,146.45, 5,721.12 and 2,353.53

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Solution

The fourth proportional to 4,146.45, 5,721.12 and 2,353.53 is: 3,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.45 : 5,721.12 = 2,353.53 : x
  2. Step 2: Convert to fraction form
    4,146.45/5,721.12 = 2,353.53/x
  3. Step 3: Cross multiply
    4,146.45x = 5,721.12 × 2,353.53
  4. Step 4: Simplify right side
    4,146.45x = 13,464,827.55
  5. Step 5: Solve for x
    x = 13,464,827.55/4,146.45
  6. Step 6: Final answer
    x = 3,247.31

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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.