Home / 5,557.42-7,669.90-3,168.26

Finding the Fourth Proportional to 5,557.42, 7,669.90 and 3,168.26

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Solution

The fourth proportional to 5,557.42, 7,669.90 and 3,168.26 is: 4,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.42 : 7,669.90 = 3,168.26 : x
  2. Step 2: Convert to fraction form
    5,557.42/7,669.90 = 3,168.26/x
  3. Step 3: Cross multiply
    5,557.42x = 7,669.90 × 3,168.26
  4. Step 4: Simplify right side
    5,557.42x = 24,300,237.37
  5. Step 5: Solve for x
    x = 24,300,237.37/5,557.42
  6. Step 6: Final answer
    x = 4,372.58

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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.