Home / 4,253.56-6,380.65-1,133.55

Finding the Fourth Proportional to 4,253.56, 6,380.65 and 1,133.55

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Solution

The fourth proportional to 4,253.56, 6,380.65 and 1,133.55 is: 1,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.56 : 6,380.65 = 1,133.55 : x
  2. Step 2: Convert to fraction form
    4,253.56/6,380.65 = 1,133.55/x
  3. Step 3: Cross multiply
    4,253.56x = 6,380.65 × 1,133.55
  4. Step 4: Simplify right side
    4,253.56x = 7,232,801.98
  5. Step 5: Solve for x
    x = 7,232,801.98/4,253.56
  6. Step 6: Final answer
    x = 1,700.41

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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.