Home / 7,355.30-10,149.36-4,168.22

Finding the Fourth Proportional to 7,355.30, 10,149.36 and 4,168.22

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Solution

The fourth proportional to 7,355.30, 10,149.36 and 4,168.22 is: 5,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.30 : 10,149.36 = 4,168.22 : x
  2. Step 2: Convert to fraction form
    7,355.30/10,149.36 = 4,168.22/x
  3. Step 3: Cross multiply
    7,355.30x = 10,149.36 × 4,168.22
  4. Step 4: Simplify right side
    7,355.30x = 42,304,765.34
  5. Step 5: Solve for x
    x = 42,304,765.34/7,355.30
  6. Step 6: Final answer
    x = 5,751.60

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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.