Home / 5,266.98-7,268.40-3,378.57

Finding the Fourth Proportional to 5,266.98, 7,268.40 and 3,378.57

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Solution

The fourth proportional to 5,266.98, 7,268.40 and 3,378.57 is: 4,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.98 : 7,268.40 = 3,378.57 : x
  2. Step 2: Convert to fraction form
    5,266.98/7,268.40 = 3,378.57/x
  3. Step 3: Cross multiply
    5,266.98x = 7,268.40 × 3,378.57
  4. Step 4: Simplify right side
    5,266.98x = 24,556,798.19
  5. Step 5: Solve for x
    x = 24,556,798.19/5,266.98
  6. Step 6: Final answer
    x = 4,662.41

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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.