Home / 2,840.95-3,919.15-1,706.05

Finding the Fourth Proportional to 2,840.95, 3,919.15 and 1,706.05

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Solution

The fourth proportional to 2,840.95, 3,919.15 and 1,706.05 is: 2,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.95 : 3,919.15 = 1,706.05 : x
  2. Step 2: Convert to fraction form
    2,840.95/3,919.15 = 1,706.05/x
  3. Step 3: Cross multiply
    2,840.95x = 3,919.15 × 1,706.05
  4. Step 4: Simplify right side
    2,840.95x = 6,686,257.33
  5. Step 5: Solve for x
    x = 6,686,257.33/2,840.95
  6. Step 6: Final answer
    x = 2,353.53

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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.