Home / 4,167.11-5,750.39-2,278.34

Finding the Fourth Proportional to 4,167.11, 5,750.39 and 2,278.34

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Solution

The fourth proportional to 4,167.11, 5,750.39 and 2,278.34 is: 3,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.11 : 5,750.39 = 2,278.34 : x
  2. Step 2: Convert to fraction form
    4,167.11/5,750.39 = 2,278.34/x
  3. Step 3: Cross multiply
    4,167.11x = 5,750.39 × 2,278.34
  4. Step 4: Simplify right side
    4,167.11x = 13,101,303.41
  5. Step 5: Solve for x
    x = 13,101,303.41/4,167.11
  6. Step 6: Final answer
    x = 3,143.98

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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.