Home / 3,116.09-4,318.76-3,057.77

Finding the Fourth Proportional to 3,116.09, 4,318.76 and 3,057.77

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Solution

The fourth proportional to 3,116.09, 4,318.76 and 3,057.77 is: 4,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.09 : 4,318.76 = 3,057.77 : x
  2. Step 2: Convert to fraction form
    3,116.09/4,318.76 = 3,057.77/x
  3. Step 3: Cross multiply
    3,116.09x = 4,318.76 × 3,057.77
  4. Step 4: Simplify right side
    3,116.09x = 13,205,753.17
  5. Step 5: Solve for x
    x = 13,205,753.17/3,116.09
  6. Step 6: Final answer
    x = 4,237.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.