Home / 6,239.75-8,610.88-3,587.32

Finding the Fourth Proportional to 6,239.75, 8,610.88 and 3,587.32

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Solution

The fourth proportional to 6,239.75, 8,610.88 and 3,587.32 is: 4,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.75 : 8,610.88 = 3,587.32 : x
  2. Step 2: Convert to fraction form
    6,239.75/8,610.88 = 3,587.32/x
  3. Step 3: Cross multiply
    6,239.75x = 8,610.88 × 3,587.32
  4. Step 4: Simplify right side
    6,239.75x = 30,889,938.99
  5. Step 5: Solve for x
    x = 30,889,938.99/6,239.75
  6. Step 6: Final answer
    x = 4,950.51

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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.