Home / 4,760.94-7,142.40-1,840.08

Finding the Fourth Proportional to 4,760.94, 7,142.40 and 1,840.08

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Solution

The fourth proportional to 4,760.94, 7,142.40 and 1,840.08 is: 2,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.94 : 7,142.40 = 1,840.08 : x
  2. Step 2: Convert to fraction form
    4,760.94/7,142.40 = 1,840.08/x
  3. Step 3: Cross multiply
    4,760.94x = 7,142.40 × 1,840.08
  4. Step 4: Simplify right side
    4,760.94x = 13,142,587.39
  5. Step 5: Solve for x
    x = 13,142,587.39/4,760.94
  6. Step 6: Final answer
    x = 2,760.50

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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.