Home / 4,731.21-6,530.02-2,961.56

Finding the Fourth Proportional to 4,731.21, 6,530.02 and 2,961.56

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Solution

The fourth proportional to 4,731.21, 6,530.02 and 2,961.56 is: 4,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.21 : 6,530.02 = 2,961.56 : x
  2. Step 2: Convert to fraction form
    4,731.21/6,530.02 = 2,961.56/x
  3. Step 3: Cross multiply
    4,731.21x = 6,530.02 × 2,961.56
  4. Step 4: Simplify right side
    4,731.21x = 19,339,054.95
  5. Step 5: Solve for x
    x = 19,339,054.95/4,731.21
  6. Step 6: Final answer
    x = 4,087.55

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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.