Home / 5,107.74-7,048.95-2,983.24

Finding the Fourth Proportional to 5,107.74, 7,048.95 and 2,983.24

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Solution

The fourth proportional to 5,107.74, 7,048.95 and 2,983.24 is: 4,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.74 : 7,048.95 = 2,983.24 : x
  2. Step 2: Convert to fraction form
    5,107.74/7,048.95 = 2,983.24/x
  3. Step 3: Cross multiply
    5,107.74x = 7,048.95 × 2,983.24
  4. Step 4: Simplify right side
    5,107.74x = 21,028,707.22
  5. Step 5: Solve for x
    x = 21,028,707.22/5,107.74
  6. Step 6: Final answer
    x = 4,117.03

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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.