Home / 2,420.62-3,341.18-2,092.57

Finding the Fourth Proportional to 2,420.62, 3,341.18 and 2,092.57

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Solution

The fourth proportional to 2,420.62, 3,341.18 and 2,092.57 is: 2,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.62 : 3,341.18 = 2,092.57 : x
  2. Step 2: Convert to fraction form
    2,420.62/3,341.18 = 2,092.57/x
  3. Step 3: Cross multiply
    2,420.62x = 3,341.18 × 2,092.57
  4. Step 4: Simplify right side
    2,420.62x = 6,991,649.91
  5. Step 5: Solve for x
    x = 6,991,649.91/2,420.62
  6. Step 6: Final answer
    x = 2,888.37

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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.