Home / 4,758.17-7,137.23-2,124.99

Finding the Fourth Proportional to 4,758.17, 7,137.23 and 2,124.99

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Solution

The fourth proportional to 4,758.17, 7,137.23 and 2,124.99 is: 3,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.17 : 7,137.23 = 2,124.99 : x
  2. Step 2: Convert to fraction form
    4,758.17/7,137.23 = 2,124.99/x
  3. Step 3: Cross multiply
    4,758.17x = 7,137.23 × 2,124.99
  4. Step 4: Simplify right side
    4,758.17x = 15,166,531.75
  5. Step 5: Solve for x
    x = 15,166,531.75/4,758.17
  6. Step 6: Final answer
    x = 3,187.47

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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.