Home / 4,742.13-7,113.62-1,624.30

Finding the Fourth Proportional to 4,742.13, 7,113.62 and 1,624.30

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Solution

The fourth proportional to 4,742.13, 7,113.62 and 1,624.30 is: 2,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.13 : 7,113.62 = 1,624.30 : x
  2. Step 2: Convert to fraction form
    4,742.13/7,113.62 = 1,624.30/x
  3. Step 3: Cross multiply
    4,742.13x = 7,113.62 × 1,624.30
  4. Step 4: Simplify right side
    4,742.13x = 11,554,652.97
  5. Step 5: Solve for x
    x = 11,554,652.97/4,742.13
  6. Step 6: Final answer
    x = 2,436.60

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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.