Home / 1,927.14-2,659.62-1,396.32

Finding the Fourth Proportional to 1,927.14, 2,659.62 and 1,396.32

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Solution

The fourth proportional to 1,927.14, 2,659.62 and 1,396.32 is: 1,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.14 : 2,659.62 = 1,396.32 : x
  2. Step 2: Convert to fraction form
    1,927.14/2,659.62 = 1,396.32/x
  3. Step 3: Cross multiply
    1,927.14x = 2,659.62 × 1,396.32
  4. Step 4: Simplify right side
    1,927.14x = 3,713,680.60
  5. Step 5: Solve for x
    x = 3,713,680.60/1,927.14
  6. Step 6: Final answer
    x = 1,927.04

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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.