Home / 5,190.12-7,775.10-4,608.36

Finding the Fourth Proportional to 5,190.12, 7,775.10 and 4,608.36

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Solution

The fourth proportional to 5,190.12, 7,775.10 and 4,608.36 is: 6,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.12 : 7,775.10 = 4,608.36 : x
  2. Step 2: Convert to fraction form
    5,190.12/7,775.10 = 4,608.36/x
  3. Step 3: Cross multiply
    5,190.12x = 7,775.10 × 4,608.36
  4. Step 4: Simplify right side
    5,190.12x = 35,830,459.84
  5. Step 5: Solve for x
    x = 35,830,459.84/5,190.12
  6. Step 6: Final answer
    x = 6,903.59

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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.