Home / 2,542.37-3,508.45-1,423.30

Finding the Fourth Proportional to 2,542.37, 3,508.45 and 1,423.30

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Solution

The fourth proportional to 2,542.37, 3,508.45 and 1,423.30 is: 1,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.37 : 3,508.45 = 1,423.30 : x
  2. Step 2: Convert to fraction form
    2,542.37/3,508.45 = 1,423.30/x
  3. Step 3: Cross multiply
    2,542.37x = 3,508.45 × 1,423.30
  4. Step 4: Simplify right side
    2,542.37x = 4,993,564.56
  5. Step 5: Solve for x
    x = 4,993,564.56/2,542.37
  6. Step 6: Final answer
    x = 1,964.14

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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.