Home / 2,636.35-3,638.16-1,457.44

Finding the Fourth Proportional to 2,636.35, 3,638.16 and 1,457.44

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Solution

The fourth proportional to 2,636.35, 3,638.16 and 1,457.44 is: 2,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.35 : 3,638.16 = 1,457.44 : x
  2. Step 2: Convert to fraction form
    2,636.35/3,638.16 = 1,457.44/x
  3. Step 3: Cross multiply
    2,636.35x = 3,638.16 × 1,457.44
  4. Step 4: Simplify right side
    2,636.35x = 5,302,399.91
  5. Step 5: Solve for x
    x = 5,302,399.91/2,636.35
  6. Step 6: Final answer
    x = 2,011.27

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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.