Home / 5,518.00-7,614.88-3,000.14

Finding the Fourth Proportional to 5,518.00, 7,614.88 and 3,000.14

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Solution

The fourth proportional to 5,518.00, 7,614.88 and 3,000.14 is: 4,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.00 : 7,614.88 = 3,000.14 : x
  2. Step 2: Convert to fraction form
    5,518.00/7,614.88 = 3,000.14/x
  3. Step 3: Cross multiply
    5,518.00x = 7,614.88 × 3,000.14
  4. Step 4: Simplify right side
    5,518.00x = 22,845,689.06
  5. Step 5: Solve for x
    x = 22,845,689.06/5,518.00
  6. Step 6: Final answer
    x = 4,140.21

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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.