Home / 3,331.85-4,597.83-1,915.49

Finding the Fourth Proportional to 3,331.85, 4,597.83 and 1,915.49

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Solution

The fourth proportional to 3,331.85, 4,597.83 and 1,915.49 is: 2,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.85 : 4,597.83 = 1,915.49 : x
  2. Step 2: Convert to fraction form
    3,331.85/4,597.83 = 1,915.49/x
  3. Step 3: Cross multiply
    3,331.85x = 4,597.83 × 1,915.49
  4. Step 4: Simplify right side
    3,331.85x = 8,807,074.40
  5. Step 5: Solve for x
    x = 8,807,074.40/3,331.85
  6. Step 6: Final answer
    x = 2,643.30

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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.