Home / 2,173.03-3,260.24-711.85

Finding the Fourth Proportional to 2,173.03, 3,260.24 and 711.85

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Solution

The fourth proportional to 2,173.03, 3,260.24 and 711.85 is: 1,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.03 : 3,260.24 = 711.85 : x
  2. Step 2: Convert to fraction form
    2,173.03/3,260.24 = 711.85/x
  3. Step 3: Cross multiply
    2,173.03x = 3,260.24 × 711.85
  4. Step 4: Simplify right side
    2,173.03x = 2,320,801.84
  5. Step 5: Solve for x
    x = 2,320,801.84/2,173.03
  6. Step 6: Final answer
    x = 1,068.00

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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.