Home / 2,052.12-3,075.09-955.20

Finding the Fourth Proportional to 2,052.12, 3,075.09 and 955.20

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Solution

The fourth proportional to 2,052.12, 3,075.09 and 955.20 is: 1,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.12 : 3,075.09 = 955.20 : x
  2. Step 2: Convert to fraction form
    2,052.12/3,075.09 = 955.20/x
  3. Step 3: Cross multiply
    2,052.12x = 3,075.09 × 955.20
  4. Step 4: Simplify right side
    2,052.12x = 2,937,325.97
  5. Step 5: Solve for x
    x = 2,937,325.97/2,052.12
  6. Step 6: Final answer
    x = 1,431.36

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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.