Home / 2,920.03-4,029.60-1,593.72

Finding the Fourth Proportional to 2,920.03, 4,029.60 and 1,593.72

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Solution

The fourth proportional to 2,920.03, 4,029.60 and 1,593.72 is: 2,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.03 : 4,029.60 = 1,593.72 : x
  2. Step 2: Convert to fraction form
    2,920.03/4,029.60 = 1,593.72/x
  3. Step 3: Cross multiply
    2,920.03x = 4,029.60 × 1,593.72
  4. Step 4: Simplify right side
    2,920.03x = 6,422,054.11
  5. Step 5: Solve for x
    x = 6,422,054.11/2,920.03
  6. Step 6: Final answer
    x = 2,199.31

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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.