Home / 4,742.14-7,113.16-1,622.11

Finding the Fourth Proportional to 4,742.14, 7,113.16 and 1,622.11

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Solution

The fourth proportional to 4,742.14, 7,113.16 and 1,622.11 is: 2,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.14 : 7,113.16 = 1,622.11 : x
  2. Step 2: Convert to fraction form
    4,742.14/7,113.16 = 1,622.11/x
  3. Step 3: Cross multiply
    4,742.14x = 7,113.16 × 1,622.11
  4. Step 4: Simplify right side
    4,742.14x = 11,538,327.97
  5. Step 5: Solve for x
    x = 11,538,327.97/4,742.14
  6. Step 6: Final answer
    x = 2,433.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.