Home / 1,052.16-1,576.32-1,029.12

Finding the Fourth Proportional to 1,052.16, 1,576.32 and 1,029.12

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Solution

The fourth proportional to 1,052.16, 1,576.32 and 1,029.12 is: 1,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.16 : 1,576.32 = 1,029.12 : x
  2. Step 2: Convert to fraction form
    1,052.16/1,576.32 = 1,029.12/x
  3. Step 3: Cross multiply
    1,052.16x = 1,576.32 × 1,029.12
  4. Step 4: Simplify right side
    1,052.16x = 1,622,222.44
  5. Step 5: Solve for x
    x = 1,622,222.44/1,052.16
  6. Step 6: Final answer
    x = 1,541.80

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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.