Home / 2,772.36-4,158.60-923.52

Finding the Fourth Proportional to 2,772.36, 4,158.60 and 923.52

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Solution

The fourth proportional to 2,772.36, 4,158.60 and 923.52 is: 1,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.36 : 4,158.60 = 923.52 : x
  2. Step 2: Convert to fraction form
    2,772.36/4,158.60 = 923.52/x
  3. Step 3: Cross multiply
    2,772.36x = 4,158.60 × 923.52
  4. Step 4: Simplify right side
    2,772.36x = 3,840,550.27
  5. Step 5: Solve for x
    x = 3,840,550.27/2,772.36
  6. Step 6: Final answer
    x = 1,385.30

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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.