Home / 5,244.72-7,237.76-2,887.08

Finding the Fourth Proportional to 5,244.72, 7,237.76 and 2,887.08

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Solution

The fourth proportional to 5,244.72, 7,237.76 and 2,887.08 is: 3,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.72 : 7,237.76 = 2,887.08 : x
  2. Step 2: Convert to fraction form
    5,244.72/7,237.76 = 2,887.08/x
  3. Step 3: Cross multiply
    5,244.72x = 7,237.76 × 2,887.08
  4. Step 4: Simplify right side
    5,244.72x = 20,895,992.14
  5. Step 5: Solve for x
    x = 20,895,992.14/5,244.72
  6. Step 6: Final answer
    x = 3,984.20

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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.