Home / 3,583.13-5,373.31-1,391.57

Finding the Fourth Proportional to 3,583.13, 5,373.31 and 1,391.57

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Solution

The fourth proportional to 3,583.13, 5,373.31 and 1,391.57 is: 2,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.13 : 5,373.31 = 1,391.57 : x
  2. Step 2: Convert to fraction form
    3,583.13/5,373.31 = 1,391.57/x
  3. Step 3: Cross multiply
    3,583.13x = 5,373.31 × 1,391.57
  4. Step 4: Simplify right side
    3,583.13x = 7,477,306.65
  5. Step 5: Solve for x
    x = 7,477,306.65/3,583.13
  6. Step 6: Final answer
    x = 2,086.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.