Home / 2,355.48-3,243.14-2,000.70

Finding the Fourth Proportional to 2,355.48, 3,243.14 and 2,000.70

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Solution

The fourth proportional to 2,355.48, 3,243.14 and 2,000.70 is: 2,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.48 : 3,243.14 = 2,000.70 : x
  2. Step 2: Convert to fraction form
    2,355.48/3,243.14 = 2,000.70/x
  3. Step 3: Cross multiply
    2,355.48x = 3,243.14 × 2,000.70
  4. Step 4: Simplify right side
    2,355.48x = 6,488,550.20
  5. Step 5: Solve for x
    x = 6,488,550.20/2,355.48
  6. Step 6: Final answer
    x = 2,754.66

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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.