Home / 3,679.50-5,075.59-2,334.60

Finding the Fourth Proportional to 3,679.50, 5,075.59 and 2,334.60

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Solution

The fourth proportional to 3,679.50, 5,075.59 and 2,334.60 is: 3,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.50 : 5,075.59 = 2,334.60 : x
  2. Step 2: Convert to fraction form
    3,679.50/5,075.59 = 2,334.60/x
  3. Step 3: Cross multiply
    3,679.50x = 5,075.59 × 2,334.60
  4. Step 4: Simplify right side
    3,679.50x = 11,849,472.41
  5. Step 5: Solve for x
    x = 11,849,472.41/3,679.50
  6. Step 6: Final answer
    x = 3,220.40

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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.