Home / 7,730.09-10,667.54-4,193.31

Finding the Fourth Proportional to 7,730.09, 10,667.54 and 4,193.31

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Solution

The fourth proportional to 7,730.09, 10,667.54 and 4,193.31 is: 5,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.09 : 10,667.54 = 4,193.31 : x
  2. Step 2: Convert to fraction form
    7,730.09/10,667.54 = 4,193.31/x
  3. Step 3: Cross multiply
    7,730.09x = 10,667.54 × 4,193.31
  4. Step 4: Simplify right side
    7,730.09x = 44,732,281.19
  5. Step 5: Solve for x
    x = 44,732,281.19/7,730.09
  6. Step 6: Final answer
    x = 5,786.78

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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.