Home / 7,730.40-10,667.93-4,193.61

Finding the Fourth Proportional to 7,730.40, 10,667.93 and 4,193.61

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Solution

The fourth proportional to 7,730.40, 10,667.93 and 4,193.61 is: 5,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.40 : 10,667.93 = 4,193.61 : x
  2. Step 2: Convert to fraction form
    7,730.40/10,667.93 = 4,193.61/x
  3. Step 3: Cross multiply
    7,730.40x = 10,667.93 × 4,193.61
  4. Step 4: Simplify right side
    7,730.40x = 44,737,188.42
  5. Step 5: Solve for x
    x = 44,737,188.42/7,730.40
  6. Step 6: Final answer
    x = 5,787.17

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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.