Home / 2,920.92-4,376.49-2,053.68

Finding the Fourth Proportional to 2,920.92, 4,376.49 and 2,053.68

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Solution

The fourth proportional to 2,920.92, 4,376.49 and 2,053.68 is: 3,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.92 : 4,376.49 = 2,053.68 : x
  2. Step 2: Convert to fraction form
    2,920.92/4,376.49 = 2,053.68/x
  3. Step 3: Cross multiply
    2,920.92x = 4,376.49 × 2,053.68
  4. Step 4: Simplify right side
    2,920.92x = 8,987,909.98
  5. Step 5: Solve for x
    x = 8,987,909.98/2,920.92
  6. Step 6: Final answer
    x = 3,077.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.