Home / 3,376.99-4,660.23-1,885.07

Finding the Fourth Proportional to 3,376.99, 4,660.23 and 1,885.07

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Solution

The fourth proportional to 3,376.99, 4,660.23 and 1,885.07 is: 2,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.99 : 4,660.23 = 1,885.07 : x
  2. Step 2: Convert to fraction form
    3,376.99/4,660.23 = 1,885.07/x
  3. Step 3: Cross multiply
    3,376.99x = 4,660.23 × 1,885.07
  4. Step 4: Simplify right side
    3,376.99x = 8,784,878.49
  5. Step 5: Solve for x
    x = 8,784,878.49/3,376.99
  6. Step 6: Final answer
    x = 2,601.39

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Half scale
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Double scale
Find fourth proportional to 3,377.99, 4,661.61 and 1,886.07
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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.