Home / 2,920.02-4,029.61-1,593.72

Finding the Fourth Proportional to 2,920.02, 4,029.61 and 1,593.72

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Solution

The fourth proportional to 2,920.02, 4,029.61 and 1,593.72 is: 2,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.02 : 4,029.61 = 1,593.72 : x
  2. Step 2: Convert to fraction form
    2,920.02/4,029.61 = 1,593.72/x
  3. Step 3: Cross multiply
    2,920.02x = 4,029.61 × 1,593.72
  4. Step 4: Simplify right side
    2,920.02x = 6,422,065.94
  5. Step 5: Solve for x
    x = 6,422,065.94/2,920.02
  6. Step 6: Final answer
    x = 2,199.33

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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.