Home / 3,315.24-4,972.86-1,673.18

Finding the Fourth Proportional to 3,315.24, 4,972.86 and 1,673.18

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Solution

The fourth proportional to 3,315.24, 4,972.86 and 1,673.18 is: 2,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.24 : 4,972.86 = 1,673.18 : x
  2. Step 2: Convert to fraction form
    3,315.24/4,972.86 = 1,673.18/x
  3. Step 3: Cross multiply
    3,315.24x = 4,972.86 × 1,673.18
  4. Step 4: Simplify right side
    3,315.24x = 8,320,465.03
  5. Step 5: Solve for x
    x = 8,320,465.03/3,315.24
  6. Step 6: Final answer
    x = 2,509.76

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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.