Home / 4,986.30-7,480.56-1,476.12

Finding the Fourth Proportional to 4,986.30, 7,480.56 and 1,476.12

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Solution

The fourth proportional to 4,986.30, 7,480.56 and 1,476.12 is: 2,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.30 : 7,480.56 = 1,476.12 : x
  2. Step 2: Convert to fraction form
    4,986.30/7,480.56 = 1,476.12/x
  3. Step 3: Cross multiply
    4,986.30x = 7,480.56 × 1,476.12
  4. Step 4: Simplify right side
    4,986.30x = 11,042,204.23
  5. Step 5: Solve for x
    x = 11,042,204.23/4,986.30
  6. Step 6: Final answer
    x = 2,214.51

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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.