Home / 5,012.40-6,914.52-3,418.32

Finding the Fourth Proportional to 5,012.40, 6,914.52 and 3,418.32

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Solution

The fourth proportional to 5,012.40, 6,914.52 and 3,418.32 is: 4,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.40 : 6,914.52 = 3,418.32 : x
  2. Step 2: Convert to fraction form
    5,012.40/6,914.52 = 3,418.32/x
  3. Step 3: Cross multiply
    5,012.40x = 6,914.52 × 3,418.32
  4. Step 4: Simplify right side
    5,012.40x = 23,636,042.01
  5. Step 5: Solve for x
    x = 23,636,042.01/5,012.40
  6. Step 6: Final answer
    x = 4,715.51

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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.