Home / 4,772.95-7,124.30-4,438.69

Finding the Fourth Proportional to 4,772.95, 7,124.30 and 4,438.69

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Solution

The fourth proportional to 4,772.95, 7,124.30 and 4,438.69 is: 6,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.95 : 7,124.30 = 4,438.69 : x
  2. Step 2: Convert to fraction form
    4,772.95/7,124.30 = 4,438.69/x
  3. Step 3: Cross multiply
    4,772.95x = 7,124.30 × 4,438.69
  4. Step 4: Simplify right side
    4,772.95x = 31,622,559.17
  5. Step 5: Solve for x
    x = 31,622,559.17/4,772.95
  6. Step 6: Final answer
    x = 6,625.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.