Home / 5,391.42-7,440.14-3,033.56

Finding the Fourth Proportional to 5,391.42, 7,440.14 and 3,033.56

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Solution

The fourth proportional to 5,391.42, 7,440.14 and 3,033.56 is: 4,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.42 : 7,440.14 = 3,033.56 : x
  2. Step 2: Convert to fraction form
    5,391.42/7,440.14 = 3,033.56/x
  3. Step 3: Cross multiply
    5,391.42x = 7,440.14 × 3,033.56
  4. Step 4: Simplify right side
    5,391.42x = 22,570,111.10
  5. Step 5: Solve for x
    x = 22,570,111.10/5,391.42
  6. Step 6: Final answer
    x = 4,186.30

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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.