Home / 1,819.91-2,518.69-1,776.23

Finding the Fourth Proportional to 1,819.91, 2,518.69 and 1,776.23

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Solution

The fourth proportional to 1,819.91, 2,518.69 and 1,776.23 is: 2,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.91 : 2,518.69 = 1,776.23 : x
  2. Step 2: Convert to fraction form
    1,819.91/2,518.69 = 1,776.23/x
  3. Step 3: Cross multiply
    1,819.91x = 2,518.69 × 1,776.23
  4. Step 4: Simplify right side
    1,819.91x = 4,473,782.65
  5. Step 5: Solve for x
    x = 4,473,782.65/1,819.91
  6. Step 6: Final answer
    x = 2,458.25

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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.