Home / 2,368.79-3,266.96-1,778.30

Finding the Fourth Proportional to 2,368.79, 3,266.96 and 1,778.30

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Solution

The fourth proportional to 2,368.79, 3,266.96 and 1,778.30 is: 2,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.79 : 3,266.96 = 1,778.30 : x
  2. Step 2: Convert to fraction form
    2,368.79/3,266.96 = 1,778.30/x
  3. Step 3: Cross multiply
    2,368.79x = 3,266.96 × 1,778.30
  4. Step 4: Simplify right side
    2,368.79x = 5,809,609.74
  5. Step 5: Solve for x
    x = 5,809,609.74/2,368.79
  6. Step 6: Final answer
    x = 2,452.57

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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.