Home / 2,077.99-3,116.67-845.41

Finding the Fourth Proportional to 2,077.99, 3,116.67 and 845.41

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Solution

The fourth proportional to 2,077.99, 3,116.67 and 845.41 is: 1,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.99 : 3,116.67 = 845.41 : x
  2. Step 2: Convert to fraction form
    2,077.99/3,116.67 = 845.41/x
  3. Step 3: Cross multiply
    2,077.99x = 3,116.67 × 845.41
  4. Step 4: Simplify right side
    2,077.99x = 2,634,863.98
  5. Step 5: Solve for x
    x = 2,634,863.98/2,077.99
  6. Step 6: Final answer
    x = 1,267.99

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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.