Home / 7,214.63-9,954.46-4,070.83

Finding the Fourth Proportional to 7,214.63, 9,954.46 and 4,070.83

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Solution

The fourth proportional to 7,214.63, 9,954.46 and 4,070.83 is: 5,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.63 : 9,954.46 = 4,070.83 : x
  2. Step 2: Convert to fraction form
    7,214.63/9,954.46 = 4,070.83/x
  3. Step 3: Cross multiply
    7,214.63x = 9,954.46 × 4,070.83
  4. Step 4: Simplify right side
    7,214.63x = 40,522,914.40
  5. Step 5: Solve for x
    x = 40,522,914.40/7,214.63
  6. Step 6: Final answer
    x = 5,616.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.