Home / 4,143.02-5,717.42-2,254.64

Finding the Fourth Proportional to 4,143.02, 5,717.42 and 2,254.64

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Solution

The fourth proportional to 4,143.02, 5,717.42 and 2,254.64 is: 3,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.02 : 5,717.42 = 2,254.64 : x
  2. Step 2: Convert to fraction form
    4,143.02/5,717.42 = 2,254.64/x
  3. Step 3: Cross multiply
    4,143.02x = 5,717.42 × 2,254.64
  4. Step 4: Simplify right side
    4,143.02x = 12,890,692.42
  5. Step 5: Solve for x
    x = 12,890,692.42/4,143.02
  6. Step 6: Final answer
    x = 3,111.43

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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.