Home / 5,107.14-7,048.08-3,011.31

Finding the Fourth Proportional to 5,107.14, 7,048.08 and 3,011.31

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Solution

The fourth proportional to 5,107.14, 7,048.08 and 3,011.31 is: 4,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.14 : 7,048.08 = 3,011.31 : x
  2. Step 2: Convert to fraction form
    5,107.14/7,048.08 = 3,011.31/x
  3. Step 3: Cross multiply
    5,107.14x = 7,048.08 × 3,011.31
  4. Step 4: Simplify right side
    5,107.14x = 21,223,953.78
  5. Step 5: Solve for x
    x = 21,223,953.78/5,107.14
  6. Step 6: Final answer
    x = 4,155.74

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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.