Home / 3,166.60-4,368.94-1,840.05

Finding the Fourth Proportional to 3,166.60, 4,368.94 and 1,840.05

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Solution

The fourth proportional to 3,166.60, 4,368.94 and 1,840.05 is: 2,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.60 : 4,368.94 = 1,840.05 : x
  2. Step 2: Convert to fraction form
    3,166.60/4,368.94 = 1,840.05/x
  3. Step 3: Cross multiply
    3,166.60x = 4,368.94 × 1,840.05
  4. Step 4: Simplify right side
    3,166.60x = 8,039,068.05
  5. Step 5: Solve for x
    x = 8,039,068.05/3,166.60
  6. Step 6: Final answer
    x = 2,538.71

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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.