Home / 3,318.16-4,579.18-1,826.14

Finding the Fourth Proportional to 3,318.16, 4,579.18 and 1,826.14

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Solution

The fourth proportional to 3,318.16, 4,579.18 and 1,826.14 is: 2,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.16 : 4,579.18 = 1,826.14 : x
  2. Step 2: Convert to fraction form
    3,318.16/4,579.18 = 1,826.14/x
  3. Step 3: Cross multiply
    3,318.16x = 4,579.18 × 1,826.14
  4. Step 4: Simplify right side
    3,318.16x = 8,362,223.77
  5. Step 5: Solve for x
    x = 8,362,223.77/3,318.16
  6. Step 6: Final answer
    x = 2,520.14

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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.