Home / 4,837.12-6,672-3,440.64

Finding the Fourth Proportional to 4,837.12, 6,672 and 3,440.64

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Solution

The fourth proportional to 4,837.12, 6,672 and 3,440.64 is: 4,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.12 : 6,672 = 3,440.64 : x
  2. Step 2: Convert to fraction form
    4,837.12/6,672 = 3,440.64/x
  3. Step 3: Cross multiply
    4,837.12x = 6,672 × 3,440.64
  4. Step 4: Simplify right side
    4,837.12x = 22,955,950.08
  5. Step 5: Solve for x
    x = 22,955,950.08/4,837.12
  6. Step 6: Final answer
    x = 4,745.79

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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.