Home / 5,427.32-7,484.56-3,540.36

Finding the Fourth Proportional to 5,427.32, 7,484.56 and 3,540.36

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Solution

The fourth proportional to 5,427.32, 7,484.56 and 3,540.36 is: 4,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.32 : 7,484.56 = 3,540.36 : x
  2. Step 2: Convert to fraction form
    5,427.32/7,484.56 = 3,540.36/x
  3. Step 3: Cross multiply
    5,427.32x = 7,484.56 × 3,540.36
  4. Step 4: Simplify right side
    5,427.32x = 26,498,036.84
  5. Step 5: Solve for x
    x = 26,498,036.84/5,427.32
  6. Step 6: Final answer
    x = 4,882.34

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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.