Home / 2,884.77-3,981.78-1,706.22

Finding the Fourth Proportional to 2,884.77, 3,981.78 and 1,706.22

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Solution

The fourth proportional to 2,884.77, 3,981.78 and 1,706.22 is: 2,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.77 : 3,981.78 = 1,706.22 : x
  2. Step 2: Convert to fraction form
    2,884.77/3,981.78 = 1,706.22/x
  3. Step 3: Cross multiply
    2,884.77x = 3,981.78 × 1,706.22
  4. Step 4: Simplify right side
    2,884.77x = 6,793,792.67
  5. Step 5: Solve for x
    x = 6,793,792.67/2,884.77
  6. Step 6: Final answer
    x = 2,355.06

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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.