Home / 1,851.96-2,555.79-1,066.01

Finding the Fourth Proportional to 1,851.96, 2,555.79 and 1,066.01

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Solution

The fourth proportional to 1,851.96, 2,555.79 and 1,066.01 is: 1,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.96 : 2,555.79 = 1,066.01 : x
  2. Step 2: Convert to fraction form
    1,851.96/2,555.79 = 1,066.01/x
  3. Step 3: Cross multiply
    1,851.96x = 2,555.79 × 1,066.01
  4. Step 4: Simplify right side
    1,851.96x = 2,724,497.70
  5. Step 5: Solve for x
    x = 2,724,497.70/1,851.96
  6. Step 6: Final answer
    x = 1,471.14

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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.