Home / 4,390.81-6,583.85-1,922.76

Finding the Fourth Proportional to 4,390.81, 6,583.85 and 1,922.76

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Solution

The fourth proportional to 4,390.81, 6,583.85 and 1,922.76 is: 2,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.81 : 6,583.85 = 1,922.76 : x
  2. Step 2: Convert to fraction form
    4,390.81/6,583.85 = 1,922.76/x
  3. Step 3: Cross multiply
    4,390.81x = 6,583.85 × 1,922.76
  4. Step 4: Simplify right side
    4,390.81x = 12,659,161.02
  5. Step 5: Solve for x
    x = 12,659,161.02/4,390.81
  6. Step 6: Final answer
    x = 2,883.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.