Home / 4,715.84-7,075.20-2,982.08

Finding the Fourth Proportional to 4,715.84, 7,075.20 and 2,982.08

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Solution

The fourth proportional to 4,715.84, 7,075.20 and 2,982.08 is: 4,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.84 : 7,075.20 = 2,982.08 : x
  2. Step 2: Convert to fraction form
    4,715.84/7,075.20 = 2,982.08/x
  3. Step 3: Cross multiply
    4,715.84x = 7,075.20 × 2,982.08
  4. Step 4: Simplify right side
    4,715.84x = 21,098,812.42
  5. Step 5: Solve for x
    x = 21,098,812.42/4,715.84
  6. Step 6: Final answer
    x = 4,474.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.