Home / 5,090.35-7,636.47-1,802.56

Finding the Fourth Proportional to 5,090.35, 7,636.47 and 1,802.56

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Solution

The fourth proportional to 5,090.35, 7,636.47 and 1,802.56 is: 2,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.35 : 7,636.47 = 1,802.56 : x
  2. Step 2: Convert to fraction form
    5,090.35/7,636.47 = 1,802.56/x
  3. Step 3: Cross multiply
    5,090.35x = 7,636.47 × 1,802.56
  4. Step 4: Simplify right side
    5,090.35x = 13,765,195.36
  5. Step 5: Solve for x
    x = 13,765,195.36/5,090.35
  6. Step 6: Final answer
    x = 2,704.17

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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.