Home / 2,920.16-4,029.72-1,593.92

Finding the Fourth Proportional to 2,920.16, 4,029.72 and 1,593.92

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Solution

The fourth proportional to 2,920.16, 4,029.72 and 1,593.92 is: 2,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.16 : 4,029.72 = 1,593.92 : x
  2. Step 2: Convert to fraction form
    2,920.16/4,029.72 = 1,593.92/x
  3. Step 3: Cross multiply
    2,920.16x = 4,029.72 × 1,593.92
  4. Step 4: Simplify right side
    2,920.16x = 6,423,051.30
  5. Step 5: Solve for x
    x = 6,423,051.30/2,920.16
  6. Step 6: Final answer
    x = 2,199.55

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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.