Home / 2,795.15-3,856.65-1,676.18

Finding the Fourth Proportional to 2,795.15, 3,856.65 and 1,676.18

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Solution

The fourth proportional to 2,795.15, 3,856.65 and 1,676.18 is: 2,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.15 : 3,856.65 = 1,676.18 : x
  2. Step 2: Convert to fraction form
    2,795.15/3,856.65 = 1,676.18/x
  3. Step 3: Cross multiply
    2,795.15x = 3,856.65 × 1,676.18
  4. Step 4: Simplify right side
    2,795.15x = 6,464,442.95
  5. Step 5: Solve for x
    x = 6,464,442.95/2,795.15
  6. Step 6: Final answer
    x = 2,312.73

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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.