Home / 3,166.58-4,370.00-1,840.20

Finding the Fourth Proportional to 3,166.58, 4,370.00 and 1,840.20

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Solution

The fourth proportional to 3,166.58, 4,370.00 and 1,840.20 is: 2,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.58 : 4,370.00 = 1,840.20 : x
  2. Step 2: Convert to fraction form
    3,166.58/4,370.00 = 1,840.20/x
  3. Step 3: Cross multiply
    3,166.58x = 4,370.00 × 1,840.20
  4. Step 4: Simplify right side
    3,166.58x = 8,041,664.80
  5. Step 5: Solve for x
    x = 8,041,664.80/3,166.58
  6. Step 6: Final answer
    x = 2,539.55

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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.