Home / 2,957.35-4,436.14-983.15

Finding the Fourth Proportional to 2,957.35, 4,436.14 and 983.15

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Solution

The fourth proportional to 2,957.35, 4,436.14 and 983.15 is: 1,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.35 : 4,436.14 = 983.15 : x
  2. Step 2: Convert to fraction form
    2,957.35/4,436.14 = 983.15/x
  3. Step 3: Cross multiply
    2,957.35x = 4,436.14 × 983.15
  4. Step 4: Simplify right side
    2,957.35x = 4,361,412.60
  5. Step 5: Solve for x
    x = 4,361,412.60/2,957.35
  6. Step 6: Final answer
    x = 1,474.77

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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.