Home / 2,977.44-4,463.16-2,153.70

Finding the Fourth Proportional to 2,977.44, 4,463.16 and 2,153.70

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Solution

The fourth proportional to 2,977.44, 4,463.16 and 2,153.70 is: 3,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.44 : 4,463.16 = 2,153.70 : x
  2. Step 2: Convert to fraction form
    2,977.44/4,463.16 = 2,153.70/x
  3. Step 3: Cross multiply
    2,977.44x = 4,463.16 × 2,153.70
  4. Step 4: Simplify right side
    2,977.44x = 9,612,307.69
  5. Step 5: Solve for x
    x = 9,612,307.69/2,977.44
  6. Step 6: Final answer
    x = 3,228.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.