Home / 3,222.04-4,445.46-1,895.80

Finding the Fourth Proportional to 3,222.04, 4,445.46 and 1,895.80

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Solution

The fourth proportional to 3,222.04, 4,445.46 and 1,895.80 is: 2,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.04 : 4,445.46 = 1,895.80 : x
  2. Step 2: Convert to fraction form
    3,222.04/4,445.46 = 1,895.80/x
  3. Step 3: Cross multiply
    3,222.04x = 4,445.46 × 1,895.80
  4. Step 4: Simplify right side
    3,222.04x = 8,427,703.07
  5. Step 5: Solve for x
    x = 8,427,703.07/3,222.04
  6. Step 6: Final answer
    x = 2,615.64

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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.