Home / 2,457.41-3,388.14-1,670.09

Finding the Fourth Proportional to 2,457.41, 3,388.14 and 1,670.09

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Solution

The fourth proportional to 2,457.41, 3,388.14 and 1,670.09 is: 2,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.41 : 3,388.14 = 1,670.09 : x
  2. Step 2: Convert to fraction form
    2,457.41/3,388.14 = 1,670.09/x
  3. Step 3: Cross multiply
    2,457.41x = 3,388.14 × 1,670.09
  4. Step 4: Simplify right side
    2,457.41x = 5,658,481.79
  5. Step 5: Solve for x
    x = 5,658,481.79/2,457.41
  6. Step 6: Final answer
    x = 2,302.62

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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.