Home / 2,636.07-3,637.79-1,457.22

Finding the Fourth Proportional to 2,636.07, 3,637.79 and 1,457.22

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Solution

The fourth proportional to 2,636.07, 3,637.79 and 1,457.22 is: 2,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.07 : 3,637.79 = 1,457.22 : x
  2. Step 2: Convert to fraction form
    2,636.07/3,637.79 = 1,457.22/x
  3. Step 3: Cross multiply
    2,636.07x = 3,637.79 × 1,457.22
  4. Step 4: Simplify right side
    2,636.07x = 5,301,053.06
  5. Step 5: Solve for x
    x = 5,301,053.06/2,636.07
  6. Step 6: Final answer
    x = 2,010.97

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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.