Home / 7,272.41-10,914.05-2,830.77

Finding the Fourth Proportional to 7,272.41, 10,914.05 and 2,830.77

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Solution

The fourth proportional to 7,272.41, 10,914.05 and 2,830.77 is: 4,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.41 : 10,914.05 = 2,830.77 : x
  2. Step 2: Convert to fraction form
    7,272.41/10,914.05 = 2,830.77/x
  3. Step 3: Cross multiply
    7,272.41x = 10,914.05 × 2,830.77
  4. Step 4: Simplify right side
    7,272.41x = 30,895,172.40
  5. Step 5: Solve for x
    x = 30,895,172.40/7,272.41
  6. Step 6: Final answer
    x = 4,248.27

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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.