Home / 1,573.09-2,361.78-1,021.25

Finding the Fourth Proportional to 1,573.09, 2,361.78 and 1,021.25

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Solution

The fourth proportional to 1,573.09, 2,361.78 and 1,021.25 is: 1,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.09 : 2,361.78 = 1,021.25 : x
  2. Step 2: Convert to fraction form
    1,573.09/2,361.78 = 1,021.25/x
  3. Step 3: Cross multiply
    1,573.09x = 2,361.78 × 1,021.25
  4. Step 4: Simplify right side
    1,573.09x = 2,411,973.73
  5. Step 5: Solve for x
    x = 2,411,973.73/1,573.09
  6. Step 6: Final answer
    x = 1,533.27

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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.