Home / 5,235.79-7,226.49-3,320.37

Finding the Fourth Proportional to 5,235.79, 7,226.49 and 3,320.37

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Solution

The fourth proportional to 5,235.79, 7,226.49 and 3,320.37 is: 4,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.79 : 7,226.49 = 3,320.37 : x
  2. Step 2: Convert to fraction form
    5,235.79/7,226.49 = 3,320.37/x
  3. Step 3: Cross multiply
    5,235.79x = 7,226.49 × 3,320.37
  4. Step 4: Simplify right side
    5,235.79x = 23,994,603.39
  5. Step 5: Solve for x
    x = 23,994,603.39/5,235.79
  6. Step 6: Final answer
    x = 4,582.81

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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.