Home / 3,547.72-4,896.34-2,150.47

Finding the Fourth Proportional to 3,547.72, 4,896.34 and 2,150.47

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Solution

The fourth proportional to 3,547.72, 4,896.34 and 2,150.47 is: 2,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.72 : 4,896.34 = 2,150.47 : x
  2. Step 2: Convert to fraction form
    3,547.72/4,896.34 = 2,150.47/x
  3. Step 3: Cross multiply
    3,547.72x = 4,896.34 × 2,150.47
  4. Step 4: Simplify right side
    3,547.72x = 10,529,414.66
  5. Step 5: Solve for x
    x = 10,529,414.66/3,547.72
  6. Step 6: Final answer
    x = 2,967.94

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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.