Home / 4,518.28-6,774.72-1,742.65

Finding the Fourth Proportional to 4,518.28, 6,774.72 and 1,742.65

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Solution

The fourth proportional to 4,518.28, 6,774.72 and 1,742.65 is: 2,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.28 : 6,774.72 = 1,742.65 : x
  2. Step 2: Convert to fraction form
    4,518.28/6,774.72 = 1,742.65/x
  3. Step 3: Cross multiply
    4,518.28x = 6,774.72 × 1,742.65
  4. Step 4: Simplify right side
    4,518.28x = 11,805,965.81
  5. Step 5: Solve for x
    x = 11,805,965.81/4,518.28
  6. Step 6: Final answer
    x = 2,612.93

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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.