Home / 2,176.77-3,266.88-1,137.07

Finding the Fourth Proportional to 2,176.77, 3,266.88 and 1,137.07

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Solution

The fourth proportional to 2,176.77, 3,266.88 and 1,137.07 is: 1,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.77 : 3,266.88 = 1,137.07 : x
  2. Step 2: Convert to fraction form
    2,176.77/3,266.88 = 1,137.07/x
  3. Step 3: Cross multiply
    2,176.77x = 3,266.88 × 1,137.07
  4. Step 4: Simplify right side
    2,176.77x = 3,714,671.24
  5. Step 5: Solve for x
    x = 3,714,671.24/2,176.77
  6. Step 6: Final answer
    x = 1,706.51

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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.