Home / 5,316.84-7,338.30-3,806.60

Finding the Fourth Proportional to 5,316.84, 7,338.30 and 3,806.60

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Solution

The fourth proportional to 5,316.84, 7,338.30 and 3,806.60 is: 5,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.84 : 7,338.30 = 3,806.60 : x
  2. Step 2: Convert to fraction form
    5,316.84/7,338.30 = 3,806.60/x
  3. Step 3: Cross multiply
    5,316.84x = 7,338.30 × 3,806.60
  4. Step 4: Simplify right side
    5,316.84x = 27,933,921.81
  5. Step 5: Solve for x
    x = 27,933,921.81/5,316.84
  6. Step 6: Final answer
    x = 5,253.86

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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.