Home / 5,056.55-6,977.23-2,818.38

Finding the Fourth Proportional to 5,056.55, 6,977.23 and 2,818.38

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Solution

The fourth proportional to 5,056.55, 6,977.23 and 2,818.38 is: 3,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.55 : 6,977.23 = 2,818.38 : x
  2. Step 2: Convert to fraction form
    5,056.55/6,977.23 = 2,818.38/x
  3. Step 3: Cross multiply
    5,056.55x = 6,977.23 × 2,818.38
  4. Step 4: Simplify right side
    5,056.55x = 19,664,485.49
  5. Step 5: Solve for x
    x = 19,664,485.49/5,056.55
  6. Step 6: Final answer
    x = 3,888.91

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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.