Home / 5,233.68-7,222.77-2,876.31

Finding the Fourth Proportional to 5,233.68, 7,222.77 and 2,876.31

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Solution

The fourth proportional to 5,233.68, 7,222.77 and 2,876.31 is: 3,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.68 : 7,222.77 = 2,876.31 : x
  2. Step 2: Convert to fraction form
    5,233.68/7,222.77 = 2,876.31/x
  3. Step 3: Cross multiply
    5,233.68x = 7,222.77 × 2,876.31
  4. Step 4: Simplify right side
    5,233.68x = 20,774,925.58
  5. Step 5: Solve for x
    x = 20,774,925.58/5,233.68
  6. Step 6: Final answer
    x = 3,969.47

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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.