Home / 6,125.72-8,453.84-3,607.25

Finding the Fourth Proportional to 6,125.72, 8,453.84 and 3,607.25

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Solution

The fourth proportional to 6,125.72, 8,453.84 and 3,607.25 is: 4,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.72 : 8,453.84 = 3,607.25 : x
  2. Step 2: Convert to fraction form
    6,125.72/8,453.84 = 3,607.25/x
  3. Step 3: Cross multiply
    6,125.72x = 8,453.84 × 3,607.25
  4. Step 4: Simplify right side
    6,125.72x = 30,495,054.03
  5. Step 5: Solve for x
    x = 30,495,054.03/6,125.72
  6. Step 6: Final answer
    x = 4,978.20

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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.