Home / 7,458.51-11,181.06-2,775.24

Finding the Fourth Proportional to 7,458.51, 11,181.06 and 2,775.24

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Solution

The fourth proportional to 7,458.51, 11,181.06 and 2,775.24 is: 4,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.51 : 11,181.06 = 2,775.24 : x
  2. Step 2: Convert to fraction form
    7,458.51/11,181.06 = 2,775.24/x
  3. Step 3: Cross multiply
    7,458.51x = 11,181.06 × 2,775.24
  4. Step 4: Simplify right side
    7,458.51x = 31,030,101.31
  5. Step 5: Solve for x
    x = 31,030,101.31/7,458.51
  6. Step 6: Final answer
    x = 4,160.36

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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.