Home / 4,928.95-6,801.98-2,690.75

Finding the Fourth Proportional to 4,928.95, 6,801.98 and 2,690.75

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Solution

The fourth proportional to 4,928.95, 6,801.98 and 2,690.75 is: 3,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.95 : 6,801.98 = 2,690.75 : x
  2. Step 2: Convert to fraction form
    4,928.95/6,801.98 = 2,690.75/x
  3. Step 3: Cross multiply
    4,928.95x = 6,801.98 × 2,690.75
  4. Step 4: Simplify right side
    4,928.95x = 18,302,431.24
  5. Step 5: Solve for x
    x = 18,302,431.24/4,928.95
  6. Step 6: Final answer
    x = 3,713.25

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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.