Home / 2,012.13-3,029.36-1,575.72

Finding the Fourth Proportional to 2,012.13, 3,029.36 and 1,575.72

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Solution

The fourth proportional to 2,012.13, 3,029.36 and 1,575.72 is: 2,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.13 : 3,029.36 = 1,575.72 : x
  2. Step 2: Convert to fraction form
    2,012.13/3,029.36 = 1,575.72/x
  3. Step 3: Cross multiply
    2,012.13x = 3,029.36 × 1,575.72
  4. Step 4: Simplify right side
    2,012.13x = 4,773,415.26
  5. Step 5: Solve for x
    x = 4,773,415.26/2,012.13
  6. Step 6: Final answer
    x = 2,372.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.