Home / 3,330.74-4,590.33-2,209.70

Finding the Fourth Proportional to 3,330.74, 4,590.33 and 2,209.70

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Solution

The fourth proportional to 3,330.74, 4,590.33 and 2,209.70 is: 3,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.74 : 4,590.33 = 2,209.70 : x
  2. Step 2: Convert to fraction form
    3,330.74/4,590.33 = 2,209.70/x
  3. Step 3: Cross multiply
    3,330.74x = 4,590.33 × 2,209.70
  4. Step 4: Simplify right side
    3,330.74x = 10,143,252.20
  5. Step 5: Solve for x
    x = 10,143,252.20/3,330.74
  6. Step 6: Final answer
    x = 3,045.34

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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.