Home / 5,142.16-7,709.99-4,362.44

Finding the Fourth Proportional to 5,142.16, 7,709.99 and 4,362.44

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Solution

The fourth proportional to 5,142.16, 7,709.99 and 4,362.44 is: 6,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.16 : 7,709.99 = 4,362.44 : x
  2. Step 2: Convert to fraction form
    5,142.16/7,709.99 = 4,362.44/x
  3. Step 3: Cross multiply
    5,142.16x = 7,709.99 × 4,362.44
  4. Step 4: Simplify right side
    5,142.16x = 33,634,341.13
  5. Step 5: Solve for x
    x = 33,634,341.13/5,142.16
  6. Step 6: Final answer
    x = 6,540.90

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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.