Home / 2,079.37-2,866.73-1,415.06

Finding the Fourth Proportional to 2,079.37, 2,866.73 and 1,415.06

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Solution

The fourth proportional to 2,079.37, 2,866.73 and 1,415.06 is: 1,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.37 : 2,866.73 = 1,415.06 : x
  2. Step 2: Convert to fraction form
    2,079.37/2,866.73 = 1,415.06/x
  3. Step 3: Cross multiply
    2,079.37x = 2,866.73 × 1,415.06
  4. Step 4: Simplify right side
    2,079.37x = 4,056,594.95
  5. Step 5: Solve for x
    x = 4,056,594.95/2,079.37
  6. Step 6: Final answer
    x = 1,950.88

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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.