Home / 2,027.04-2,787.48-1,965.60

Finding the Fourth Proportional to 2,027.04, 2,787.48 and 1,965.60

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Solution

The fourth proportional to 2,027.04, 2,787.48 and 1,965.60 is: 2,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.04 : 2,787.48 = 1,965.60 : x
  2. Step 2: Convert to fraction form
    2,027.04/2,787.48 = 1,965.60/x
  3. Step 3: Cross multiply
    2,027.04x = 2,787.48 × 1,965.60
  4. Step 4: Simplify right side
    2,027.04x = 5,479,070.69
  5. Step 5: Solve for x
    x = 5,479,070.69/2,027.04
  6. Step 6: Final answer
    x = 2,702.99

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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.