Home / 2,457.08-3,689.62-1,550.84

Finding the Fourth Proportional to 2,457.08, 3,689.62 and 1,550.84

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Solution

The fourth proportional to 2,457.08, 3,689.62 and 1,550.84 is: 2,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.08 : 3,689.62 = 1,550.84 : x
  2. Step 2: Convert to fraction form
    2,457.08/3,689.62 = 1,550.84/x
  3. Step 3: Cross multiply
    2,457.08x = 3,689.62 × 1,550.84
  4. Step 4: Simplify right side
    2,457.08x = 5,722,010.28
  5. Step 5: Solve for x
    x = 5,722,010.28/2,457.08
  6. Step 6: Final answer
    x = 2,328.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.