Home / 3,033.80-4,549.87-1,921.55

Finding the Fourth Proportional to 3,033.80, 4,549.87 and 1,921.55

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Solution

The fourth proportional to 3,033.80, 4,549.87 and 1,921.55 is: 2,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.80 : 4,549.87 = 1,921.55 : x
  2. Step 2: Convert to fraction form
    3,033.80/4,549.87 = 1,921.55/x
  3. Step 3: Cross multiply
    3,033.80x = 4,549.87 × 1,921.55
  4. Step 4: Simplify right side
    3,033.80x = 8,742,784.34
  5. Step 5: Solve for x
    x = 8,742,784.34/3,033.80
  6. Step 6: Final answer
    x = 2,881.79

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1.5x scale

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.