Home / 4,548.40-6,274.72-2,868.64

Finding the Fourth Proportional to 4,548.40, 6,274.72 and 2,868.64

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Solution

The fourth proportional to 4,548.40, 6,274.72 and 2,868.64 is: 3,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.40 : 6,274.72 = 2,868.64 : x
  2. Step 2: Convert to fraction form
    4,548.40/6,274.72 = 2,868.64/x
  3. Step 3: Cross multiply
    4,548.40x = 6,274.72 × 2,868.64
  4. Step 4: Simplify right side
    4,548.40x = 17,999,912.78
  5. Step 5: Solve for x
    x = 17,999,912.78/4,548.40
  6. Step 6: Final answer
    x = 3,957.42

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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.