Home / 5,427.96-8,148.80-5,206.56

Finding the Fourth Proportional to 5,427.96, 8,148.80 and 5,206.56

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Solution

The fourth proportional to 5,427.96, 8,148.80 and 5,206.56 is: 7,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.96 : 8,148.80 = 5,206.56 : x
  2. Step 2: Convert to fraction form
    5,427.96/8,148.80 = 5,206.56/x
  3. Step 3: Cross multiply
    5,427.96x = 8,148.80 × 5,206.56
  4. Step 4: Simplify right side
    5,427.96x = 42,427,216.13
  5. Step 5: Solve for x
    x = 42,427,216.13/5,427.96
  6. Step 6: Final answer
    x = 7,816.42

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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.