Home / 2,186.32-3,278.26-1,146.82

Finding the Fourth Proportional to 2,186.32, 3,278.26 and 1,146.82

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Solution

The fourth proportional to 2,186.32, 3,278.26 and 1,146.82 is: 1,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.32 : 3,278.26 = 1,146.82 : x
  2. Step 2: Convert to fraction form
    2,186.32/3,278.26 = 1,146.82/x
  3. Step 3: Cross multiply
    2,186.32x = 3,278.26 × 1,146.82
  4. Step 4: Simplify right side
    2,186.32x = 3,759,574.13
  5. Step 5: Solve for x
    x = 3,759,574.13/2,186.32
  6. Step 6: Final answer
    x = 1,719.59

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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.