Home / 3,506.14-4,838.46-1,912.76

Finding the Fourth Proportional to 3,506.14, 4,838.46 and 1,912.76

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Solution

The fourth proportional to 3,506.14, 4,838.46 and 1,912.76 is: 2,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.14 : 4,838.46 = 1,912.76 : x
  2. Step 2: Convert to fraction form
    3,506.14/4,838.46 = 1,912.76/x
  3. Step 3: Cross multiply
    3,506.14x = 4,838.46 × 1,912.76
  4. Step 4: Simplify right side
    3,506.14x = 9,254,812.75
  5. Step 5: Solve for x
    x = 9,254,812.75/3,506.14
  6. Step 6: Final answer
    x = 2,639.60

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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.