Home / 5,252.20-7,247.69-2,894.34

Finding the Fourth Proportional to 5,252.20, 7,247.69 and 2,894.34

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Solution

The fourth proportional to 5,252.20, 7,247.69 and 2,894.34 is: 3,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.20 : 7,247.69 = 2,894.34 : x
  2. Step 2: Convert to fraction form
    5,252.20/7,247.69 = 2,894.34/x
  3. Step 3: Cross multiply
    5,252.20x = 7,247.69 × 2,894.34
  4. Step 4: Simplify right side
    5,252.20x = 20,977,279.07
  5. Step 5: Solve for x
    x = 20,977,279.07/5,252.20
  6. Step 6: Final answer
    x = 3,994.00

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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.