Home / 4,977.42-6,865.30-4,226.17

Finding the Fourth Proportional to 4,977.42, 6,865.30 and 4,226.17

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Solution

The fourth proportional to 4,977.42, 6,865.30 and 4,226.17 is: 5,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.42 : 6,865.30 = 4,226.17 : x
  2. Step 2: Convert to fraction form
    4,977.42/6,865.30 = 4,226.17/x
  3. Step 3: Cross multiply
    4,977.42x = 6,865.30 × 4,226.17
  4. Step 4: Simplify right side
    4,977.42x = 29,013,924.90
  5. Step 5: Solve for x
    x = 29,013,924.90/4,977.42
  6. Step 6: Final answer
    x = 5,829.11

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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.