Home / 5,624.69-7,762.73-3,387.69

Finding the Fourth Proportional to 5,624.69, 7,762.73 and 3,387.69

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Solution

The fourth proportional to 5,624.69, 7,762.73 and 3,387.69 is: 4,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.69 : 7,762.73 = 3,387.69 : x
  2. Step 2: Convert to fraction form
    5,624.69/7,762.73 = 3,387.69/x
  3. Step 3: Cross multiply
    5,624.69x = 7,762.73 × 3,387.69
  4. Step 4: Simplify right side
    5,624.69x = 26,297,705.86
  5. Step 5: Solve for x
    x = 26,297,705.86/5,624.69
  6. Step 6: Final answer
    x = 4,675.41

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Half scale
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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.