Home / 3,178.23-4,772.81-3,041.54

Finding the Fourth Proportional to 3,178.23, 4,772.81 and 3,041.54

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Solution

The fourth proportional to 3,178.23, 4,772.81 and 3,041.54 is: 4,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.23 : 4,772.81 = 3,041.54 : x
  2. Step 2: Convert to fraction form
    3,178.23/4,772.81 = 3,041.54/x
  3. Step 3: Cross multiply
    3,178.23x = 4,772.81 × 3,041.54
  4. Step 4: Simplify right side
    3,178.23x = 14,516,692.53
  5. Step 5: Solve for x
    x = 14,516,692.53/3,178.23
  6. Step 6: Final answer
    x = 4,567.54

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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.