Home / 5,107.98-7,048.17-3,012.51

Finding the Fourth Proportional to 5,107.98, 7,048.17 and 3,012.51

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Solution

The fourth proportional to 5,107.98, 7,048.17 and 3,012.51 is: 4,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.98 : 7,048.17 = 3,012.51 : x
  2. Step 2: Convert to fraction form
    5,107.98/7,048.17 = 3,012.51/x
  3. Step 3: Cross multiply
    5,107.98x = 7,048.17 × 3,012.51
  4. Step 4: Simplify right side
    5,107.98x = 21,232,682.61
  5. Step 5: Solve for x
    x = 21,232,682.61/5,107.98
  6. Step 6: Final answer
    x = 4,156.77

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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.