Home / 5,367.46-7,407.58-3,129.16

Finding the Fourth Proportional to 5,367.46, 7,407.58 and 3,129.16

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Solution

The fourth proportional to 5,367.46, 7,407.58 and 3,129.16 is: 4,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.46 : 7,407.58 = 3,129.16 : x
  2. Step 2: Convert to fraction form
    5,367.46/7,407.58 = 3,129.16/x
  3. Step 3: Cross multiply
    5,367.46x = 7,407.58 × 3,129.16
  4. Step 4: Simplify right side
    5,367.46x = 23,179,503.03
  5. Step 5: Solve for x
    x = 23,179,503.03/5,367.46
  6. Step 6: Final answer
    x = 4,318.52

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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.