Home / 4,982.38-6,875.68-2,774.38

Finding the Fourth Proportional to 4,982.38, 6,875.68 and 2,774.38

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Solution

The fourth proportional to 4,982.38, 6,875.68 and 2,774.38 is: 3,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.38 : 6,875.68 = 2,774.38 : x
  2. Step 2: Convert to fraction form
    4,982.38/6,875.68 = 2,774.38/x
  3. Step 3: Cross multiply
    4,982.38x = 6,875.68 × 2,774.38
  4. Step 4: Simplify right side
    4,982.38x = 19,075,749.08
  5. Step 5: Solve for x
    x = 19,075,749.08/4,982.38
  6. Step 6: Final answer
    x = 3,828.64

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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.