Home / 1,613.10-2,408.68-1,569.36

Finding the Fourth Proportional to 1,613.10, 2,408.68 and 1,569.36

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Solution

The fourth proportional to 1,613.10, 2,408.68 and 1,569.36 is: 2,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.10 : 2,408.68 = 1,569.36 : x
  2. Step 2: Convert to fraction form
    1,613.10/2,408.68 = 1,569.36/x
  3. Step 3: Cross multiply
    1,613.10x = 2,408.68 × 1,569.36
  4. Step 4: Simplify right side
    1,613.10x = 3,780,086.04
  5. Step 5: Solve for x
    x = 3,780,086.04/1,613.10
  6. Step 6: Final answer
    x = 2,343.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.