Home / 5,235.42-7,222.18-3,556.29

Finding the Fourth Proportional to 5,235.42, 7,222.18 and 3,556.29

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Solution

The fourth proportional to 5,235.42, 7,222.18 and 3,556.29 is: 4,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.42 : 7,222.18 = 3,556.29 : x
  2. Step 2: Convert to fraction form
    5,235.42/7,222.18 = 3,556.29/x
  3. Step 3: Cross multiply
    5,235.42x = 7,222.18 × 3,556.29
  4. Step 4: Simplify right side
    5,235.42x = 25,684,166.51
  5. Step 5: Solve for x
    x = 25,684,166.51/5,235.42
  6. Step 6: Final answer
    x = 4,905.85

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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.