Home / 3,545.28-4,890.78-2,364.84

Finding the Fourth Proportional to 3,545.28, 4,890.78 and 2,364.84

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Solution

The fourth proportional to 3,545.28, 4,890.78 and 2,364.84 is: 3,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.28 : 4,890.78 = 2,364.84 : x
  2. Step 2: Convert to fraction form
    3,545.28/4,890.78 = 2,364.84/x
  3. Step 3: Cross multiply
    3,545.28x = 4,890.78 × 2,364.84
  4. Step 4: Simplify right side
    3,545.28x = 11,565,912.18
  5. Step 5: Solve for x
    x = 11,565,912.18/3,545.28
  6. Step 6: Final answer
    x = 3,262.34

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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.