Home / 1,576.07-2,174.57-1,052.20

Finding the Fourth Proportional to 1,576.07, 2,174.57 and 1,052.20

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Solution

The fourth proportional to 1,576.07, 2,174.57 and 1,052.20 is: 1,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.07 : 2,174.57 = 1,052.20 : x
  2. Step 2: Convert to fraction form
    1,576.07/2,174.57 = 1,052.20/x
  3. Step 3: Cross multiply
    1,576.07x = 2,174.57 × 1,052.20
  4. Step 4: Simplify right side
    1,576.07x = 2,288,071.86
  5. Step 5: Solve for x
    x = 2,288,071.86/1,576.07
  6. Step 6: Final answer
    x = 1,451.76

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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.