Home / 6,381.37-9,515.75-5,604.58

Finding the Fourth Proportional to 6,381.37, 9,515.75 and 5,604.58

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Solution

The fourth proportional to 6,381.37, 9,515.75 and 5,604.58 is: 8,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.37 : 9,515.75 = 5,604.58 : x
  2. Step 2: Convert to fraction form
    6,381.37/9,515.75 = 5,604.58/x
  3. Step 3: Cross multiply
    6,381.37x = 9,515.75 × 5,604.58
  4. Step 4: Simplify right side
    6,381.37x = 53,331,782.14
  5. Step 5: Solve for x
    x = 53,331,782.14/6,381.37
  6. Step 6: Final answer
    x = 8,357.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.