Home / 5,206.84-7,181.68-3,316.56

Finding the Fourth Proportional to 5,206.84, 7,181.68 and 3,316.56

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Solution

The fourth proportional to 5,206.84, 7,181.68 and 3,316.56 is: 4,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.84 : 7,181.68 = 3,316.56 : x
  2. Step 2: Convert to fraction form
    5,206.84/7,181.68 = 3,316.56/x
  3. Step 3: Cross multiply
    5,206.84x = 7,181.68 × 3,316.56
  4. Step 4: Simplify right side
    5,206.84x = 23,818,472.62
  5. Step 5: Solve for x
    x = 23,818,472.62/5,206.84
  6. Step 6: Final answer
    x = 4,574.46

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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.