Home / 4,545.37-6,780.20-4,470.11

Finding the Fourth Proportional to 4,545.37, 6,780.20 and 4,470.11

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Solution

The fourth proportional to 4,545.37, 6,780.20 and 4,470.11 is: 6,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.37 : 6,780.20 = 4,470.11 : x
  2. Step 2: Convert to fraction form
    4,545.37/6,780.20 = 4,470.11/x
  3. Step 3: Cross multiply
    4,545.37x = 6,780.20 × 4,470.11
  4. Step 4: Simplify right side
    4,545.37x = 30,308,239.82
  5. Step 5: Solve for x
    x = 30,308,239.82/4,545.37
  6. Step 6: Final answer
    x = 6,667.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.