Home / 3,315.18-4,574.82-1,823.07

Finding the Fourth Proportional to 3,315.18, 4,574.82 and 1,823.07

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Solution

The fourth proportional to 3,315.18, 4,574.82 and 1,823.07 is: 2,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.18 : 4,574.82 = 1,823.07 : x
  2. Step 2: Convert to fraction form
    3,315.18/4,574.82 = 1,823.07/x
  3. Step 3: Cross multiply
    3,315.18x = 4,574.82 × 1,823.07
  4. Step 4: Simplify right side
    3,315.18x = 8,340,217.10
  5. Step 5: Solve for x
    x = 8,340,217.10/3,315.18
  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.