Home / 4,957.15-7,436.91-1,447.22

Finding the Fourth Proportional to 4,957.15, 7,436.91 and 1,447.22

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Solution

The fourth proportional to 4,957.15, 7,436.91 and 1,447.22 is: 2,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.15 : 7,436.91 = 1,447.22 : x
  2. Step 2: Convert to fraction form
    4,957.15/7,436.91 = 1,447.22/x
  3. Step 3: Cross multiply
    4,957.15x = 7,436.91 × 1,447.22
  4. Step 4: Simplify right side
    4,957.15x = 10,762,827.08
  5. Step 5: Solve for x
    x = 10,762,827.08/4,957.15
  6. Step 6: Final answer
    x = 2,171.17

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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.