Home / 5,244.85-7,237.68-2,887

Finding the Fourth Proportional to 5,244.85, 7,237.68 and 2,887

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Solution

The fourth proportional to 5,244.85, 7,237.68 and 2,887 is: 3,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.85 : 7,237.68 = 2,887 : x
  2. Step 2: Convert to fraction form
    5,244.85/7,237.68 = 2,887/x
  3. Step 3: Cross multiply
    5,244.85x = 7,237.68 × 2,887
  4. Step 4: Simplify right side
    5,244.85x = 20,895,182.16
  5. Step 5: Solve for x
    x = 20,895,182.16/5,244.85
  6. Step 6: Final answer
    x = 3,983.94

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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.