Home / 9,090.51-13,635.78-2,851.01

Finding the Fourth Proportional to 9,090.51, 13,635.78 and 2,851.01

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Solution

The fourth proportional to 9,090.51, 13,635.78 and 2,851.01 is: 4,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.51 : 13,635.78 = 2,851.01 : x
  2. Step 2: Convert to fraction form
    9,090.51/13,635.78 = 2,851.01/x
  3. Step 3: Cross multiply
    9,090.51x = 13,635.78 × 2,851.01
  4. Step 4: Simplify right side
    9,090.51x = 38,875,717.40
  5. Step 5: Solve for x
    x = 38,875,717.40/9,090.51
  6. Step 6: Final answer
    x = 4,276.52

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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.