Home / 7,902.43-10,905.33-4,545.91

Finding the Fourth Proportional to 7,902.43, 10,905.33 and 4,545.91

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Solution

The fourth proportional to 7,902.43, 10,905.33 and 4,545.91 is: 6,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.43 : 10,905.33 = 4,545.91 : x
  2. Step 2: Convert to fraction form
    7,902.43/10,905.33 = 4,545.91/x
  3. Step 3: Cross multiply
    7,902.43x = 10,905.33 × 4,545.91
  4. Step 4: Simplify right side
    7,902.43x = 49,574,648.70
  5. Step 5: Solve for x
    x = 49,574,648.70/7,902.43
  6. Step 6: Final answer
    x = 6,273.34

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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.