Home / 7,730.29-10,667.80-4,193.49

Finding the Fourth Proportional to 7,730.29, 10,667.80 and 4,193.49

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Solution

The fourth proportional to 7,730.29, 10,667.80 and 4,193.49 is: 5,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.29 : 10,667.80 = 4,193.49 : x
  2. Step 2: Convert to fraction form
    7,730.29/10,667.80 = 4,193.49/x
  3. Step 3: Cross multiply
    7,730.29x = 10,667.80 × 4,193.49
  4. Step 4: Simplify right side
    7,730.29x = 44,735,312.62
  5. Step 5: Solve for x
    x = 44,735,312.62/7,730.29
  6. Step 6: Final answer
    x = 5,787.02

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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.