Home / 1,576.12-2,174.06-1,133.32

Finding the Fourth Proportional to 1,576.12, 2,174.06 and 1,133.32

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Solution

The fourth proportional to 1,576.12, 2,174.06 and 1,133.32 is: 1,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.12 : 2,174.06 = 1,133.32 : x
  2. Step 2: Convert to fraction form
    1,576.12/2,174.06 = 1,133.32/x
  3. Step 3: Cross multiply
    1,576.12x = 2,174.06 × 1,133.32
  4. Step 4: Simplify right side
    1,576.12x = 2,463,905.68
  5. Step 5: Solve for x
    x = 2,463,905.68/1,576.12
  6. Step 6: Final answer
    x = 1,563.27

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1.5x scale

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.