Home / 2,920.01-4,029.70-1,593.80

Finding the Fourth Proportional to 2,920.01, 4,029.70 and 1,593.80

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Solution

The fourth proportional to 2,920.01, 4,029.70 and 1,593.80 is: 2,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.01 : 4,029.70 = 1,593.80 : x
  2. Step 2: Convert to fraction form
    2,920.01/4,029.70 = 1,593.80/x
  3. Step 3: Cross multiply
    2,920.01x = 4,029.70 × 1,593.80
  4. Step 4: Simplify right side
    2,920.01x = 6,422,535.86
  5. Step 5: Solve for x
    x = 6,422,535.86/2,920.01
  6. Step 6: Final answer
    x = 2,199.49

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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.