Home / 5,220.82-7,200.55-4,590.01

Finding the Fourth Proportional to 5,220.82, 7,200.55 and 4,590.01

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Solution

The fourth proportional to 5,220.82, 7,200.55 and 4,590.01 is: 6,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.82 : 7,200.55 = 4,590.01 : x
  2. Step 2: Convert to fraction form
    5,220.82/7,200.55 = 4,590.01/x
  3. Step 3: Cross multiply
    5,220.82x = 7,200.55 × 4,590.01
  4. Step 4: Simplify right side
    5,220.82x = 33,050,596.51
  5. Step 5: Solve for x
    x = 33,050,596.51/5,220.82
  6. Step 6: Final answer
    x = 6,330.54

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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.