Home / 3,311.49-4,569.84-1,895.17

Finding the Fourth Proportional to 3,311.49, 4,569.84 and 1,895.17

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Solution

The fourth proportional to 3,311.49, 4,569.84 and 1,895.17 is: 2,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.49 : 4,569.84 = 1,895.17 : x
  2. Step 2: Convert to fraction form
    3,311.49/4,569.84 = 1,895.17/x
  3. Step 3: Cross multiply
    3,311.49x = 4,569.84 × 1,895.17
  4. Step 4: Simplify right side
    3,311.49x = 8,660,623.67
  5. Step 5: Solve for x
    x = 8,660,623.67/3,311.49
  6. Step 6: Final answer
    x = 2,615.33

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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.