Home / 3,016.58-4,162.78-1,672.13

Finding the Fourth Proportional to 3,016.58, 4,162.78 and 1,672.13

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Solution

The fourth proportional to 3,016.58, 4,162.78 and 1,672.13 is: 2,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.58 : 4,162.78 = 1,672.13 : x
  2. Step 2: Convert to fraction form
    3,016.58/4,162.78 = 1,672.13/x
  3. Step 3: Cross multiply
    3,016.58x = 4,162.78 × 1,672.13
  4. Step 4: Simplify right side
    3,016.58x = 6,960,709.32
  5. Step 5: Solve for x
    x = 6,960,709.32/3,016.58
  6. Step 6: Final answer
    x = 2,307.48

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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.