Home / 3,520.33-5,280.56-923.27

Finding the Fourth Proportional to 3,520.33, 5,280.56 and 923.27

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Solution

The fourth proportional to 3,520.33, 5,280.56 and 923.27 is: 1,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.33 : 5,280.56 = 923.27 : x
  2. Step 2: Convert to fraction form
    3,520.33/5,280.56 = 923.27/x
  3. Step 3: Cross multiply
    3,520.33x = 5,280.56 × 923.27
  4. Step 4: Simplify right side
    3,520.33x = 4,875,355.07
  5. Step 5: Solve for x
    x = 4,875,355.07/3,520.33
  6. Step 6: Final answer
    x = 1,384.92

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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.