Home / 5,200.20-7,801.65-4,412.07

Finding the Fourth Proportional to 5,200.20, 7,801.65 and 4,412.07

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Solution

The fourth proportional to 5,200.20, 7,801.65 and 4,412.07 is: 6,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.20 : 7,801.65 = 4,412.07 : x
  2. Step 2: Convert to fraction form
    5,200.20/7,801.65 = 4,412.07/x
  3. Step 3: Cross multiply
    5,200.20x = 7,801.65 × 4,412.07
  4. Step 4: Simplify right side
    5,200.20x = 34,421,425.92
  5. Step 5: Solve for x
    x = 34,421,425.92/5,200.20
  6. Step 6: Final answer
    x = 6,619.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.