Home / 4,106.12-6,159.60-1,640.60

Finding the Fourth Proportional to 4,106.12, 6,159.60 and 1,640.60

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Solution

The fourth proportional to 4,106.12, 6,159.60 and 1,640.60 is: 2,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.12 : 6,159.60 = 1,640.60 : x
  2. Step 2: Convert to fraction form
    4,106.12/6,159.60 = 1,640.60/x
  3. Step 3: Cross multiply
    4,106.12x = 6,159.60 × 1,640.60
  4. Step 4: Simplify right side
    4,106.12x = 10,105,439.76
  5. Step 5: Solve for x
    x = 10,105,439.76/4,106.12
  6. Step 6: Final answer
    x = 2,461.07

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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.