Home / 5,148.32-7,104.64-3,053.44

Finding the Fourth Proportional to 5,148.32, 7,104.64 and 3,053.44

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Solution

The fourth proportional to 5,148.32, 7,104.64 and 3,053.44 is: 4,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.32 : 7,104.64 = 3,053.44 : x
  2. Step 2: Convert to fraction form
    5,148.32/7,104.64 = 3,053.44/x
  3. Step 3: Cross multiply
    5,148.32x = 7,104.64 × 3,053.44
  4. Step 4: Simplify right side
    5,148.32x = 21,693,591.96
  5. Step 5: Solve for x
    x = 21,693,591.96/5,148.32
  6. Step 6: Final answer
    x = 4,213.72

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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.