Home / 5,087.48-7,028.73-4,810.64

Finding the Fourth Proportional to 5,087.48, 7,028.73 and 4,810.64

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Solution

The fourth proportional to 5,087.48, 7,028.73 and 4,810.64 is: 6,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.48 : 7,028.73 = 4,810.64 : x
  2. Step 2: Convert to fraction form
    5,087.48/7,028.73 = 4,810.64/x
  3. Step 3: Cross multiply
    5,087.48x = 7,028.73 × 4,810.64
  4. Step 4: Simplify right side
    5,087.48x = 33,812,654.54
  5. Step 5: Solve for x
    x = 33,812,654.54/5,087.48
  6. Step 6: Final answer
    x = 6,646.25

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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.