Home / 2,763.21-4,143.24-1,886.77

Finding the Fourth Proportional to 2,763.21, 4,143.24 and 1,886.77

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Solution

The fourth proportional to 2,763.21, 4,143.24 and 1,886.77 is: 2,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.21 : 4,143.24 = 1,886.77 : x
  2. Step 2: Convert to fraction form
    2,763.21/4,143.24 = 1,886.77/x
  3. Step 3: Cross multiply
    2,763.21x = 4,143.24 × 1,886.77
  4. Step 4: Simplify right side
    2,763.21x = 7,817,322.81
  5. Step 5: Solve for x
    x = 7,817,322.81/2,763.21
  6. Step 6: Final answer
    x = 2,829.07

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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.