Home / 4,977.04-6,868.34-2,739.14

Finding the Fourth Proportional to 4,977.04, 6,868.34 and 2,739.14

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Solution

The fourth proportional to 4,977.04, 6,868.34 and 2,739.14 is: 3,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.04 : 6,868.34 = 2,739.14 : x
  2. Step 2: Convert to fraction form
    4,977.04/6,868.34 = 2,739.14/x
  3. Step 3: Cross multiply
    4,977.04x = 6,868.34 × 2,739.14
  4. Step 4: Simplify right side
    4,977.04x = 18,813,344.83
  5. Step 5: Solve for x
    x = 18,813,344.83/4,977.04
  6. Step 6: Final answer
    x = 3,780.03

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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.