Home / 1,927.73-2,659.40-1,141.32

Finding the Fourth Proportional to 1,927.73, 2,659.40 and 1,141.32

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Solution

The fourth proportional to 1,927.73, 2,659.40 and 1,141.32 is: 1,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.73 : 2,659.40 = 1,141.32 : x
  2. Step 2: Convert to fraction form
    1,927.73/2,659.40 = 1,141.32/x
  3. Step 3: Cross multiply
    1,927.73x = 2,659.40 × 1,141.32
  4. Step 4: Simplify right side
    1,927.73x = 3,035,220.70
  5. Step 5: Solve for x
    x = 3,035,220.70/1,927.73
  6. Step 6: Final answer
    x = 1,574.51

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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.