Home / 5,206.95-7,755.35-5,181.84

Finding the Fourth Proportional to 5,206.95, 7,755.35 and 5,181.84

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Solution

The fourth proportional to 5,206.95, 7,755.35 and 5,181.84 is: 7,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.95 : 7,755.35 = 5,181.84 : x
  2. Step 2: Convert to fraction form
    5,206.95/7,755.35 = 5,181.84/x
  3. Step 3: Cross multiply
    5,206.95x = 7,755.35 × 5,181.84
  4. Step 4: Simplify right side
    5,206.95x = 40,186,956.93
  5. Step 5: Solve for x
    x = 40,186,956.93/5,206.95
  6. Step 6: Final answer
    x = 7,717.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.