Home / 3,184.05-4,394.21-1,840.13

Finding the Fourth Proportional to 3,184.05, 4,394.21 and 1,840.13

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Solution

The fourth proportional to 3,184.05, 4,394.21 and 1,840.13 is: 2,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.05 : 4,394.21 = 1,840.13 : x
  2. Step 2: Convert to fraction form
    3,184.05/4,394.21 = 1,840.13/x
  3. Step 3: Cross multiply
    3,184.05x = 4,394.21 × 1,840.13
  4. Step 4: Simplify right side
    3,184.05x = 8,085,886.48
  5. Step 5: Solve for x
    x = 8,085,886.48/3,184.05
  6. Step 6: Final answer
    x = 2,539.50

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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.