Home / 3,368.92-4,648.60-1,876.84

Finding the Fourth Proportional to 3,368.92, 4,648.60 and 1,876.84

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Solution

The fourth proportional to 3,368.92, 4,648.60 and 1,876.84 is: 2,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.92 : 4,648.60 = 1,876.84 : x
  2. Step 2: Convert to fraction form
    3,368.92/4,648.60 = 1,876.84/x
  3. Step 3: Cross multiply
    3,368.92x = 4,648.60 × 1,876.84
  4. Step 4: Simplify right side
    3,368.92x = 8,724,678.42
  5. Step 5: Solve for x
    x = 8,724,678.42/3,368.92
  6. Step 6: Final answer
    x = 2,589.76

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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.