Home / 5,266.93-7,268.28-2,876.83

Finding the Fourth Proportional to 5,266.93, 7,268.28 and 2,876.83

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Solution

The fourth proportional to 5,266.93, 7,268.28 and 2,876.83 is: 3,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.93 : 7,268.28 = 2,876.83 : x
  2. Step 2: Convert to fraction form
    5,266.93/7,268.28 = 2,876.83/x
  3. Step 3: Cross multiply
    5,266.93x = 7,268.28 × 2,876.83
  4. Step 4: Simplify right side
    5,266.93x = 20,909,605.95
  5. Step 5: Solve for x
    x = 20,909,605.95/5,266.93
  6. Step 6: Final answer
    x = 3,969.98

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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.