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Finding the Fourth Proportional to 3,337.68, 4,988.34 and 3,075

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Solution

The fourth proportional to 3,337.68, 4,988.34 and 3,075 is: 4,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.68 : 4,988.34 = 3,075 : x
  2. Step 2: Convert to fraction form
    3,337.68/4,988.34 = 3,075/x
  3. Step 3: Cross multiply
    3,337.68x = 4,988.34 × 3,075
  4. Step 4: Simplify right side
    3,337.68x = 15,339,145.50
  5. Step 5: Solve for x
    x = 15,339,145.50/3,337.68
  6. Step 6: Final answer
    x = 4,595.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.