Home / 4,142.48-5,713.64-2,883.98

Finding the Fourth Proportional to 4,142.48, 5,713.64 and 2,883.98

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Solution

The fourth proportional to 4,142.48, 5,713.64 and 2,883.98 is: 3,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.48 : 5,713.64 = 2,883.98 : x
  2. Step 2: Convert to fraction form
    4,142.48/5,713.64 = 2,883.98/x
  3. Step 3: Cross multiply
    4,142.48x = 5,713.64 × 2,883.98
  4. Step 4: Simplify right side
    4,142.48x = 16,478,023.49
  5. Step 5: Solve for x
    x = 16,478,023.49/4,142.48
  6. Step 6: Final answer
    x = 3,977.82

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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.