Home / 3,315.22-4,574.94-1,823.05

Finding the Fourth Proportional to 3,315.22, 4,574.94 and 1,823.05

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Solution

The fourth proportional to 3,315.22, 4,574.94 and 1,823.05 is: 2,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.22 : 4,574.94 = 1,823.05 : x
  2. Step 2: Convert to fraction form
    3,315.22/4,574.94 = 1,823.05/x
  3. Step 3: Cross multiply
    3,315.22x = 4,574.94 × 1,823.05
  4. Step 4: Simplify right side
    3,315.22x = 8,340,344.37
  5. Step 5: Solve for x
    x = 8,340,344.37/3,315.22
  6. Step 6: Final answer
    x = 2,515.77

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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.