Home / 4,967.90-6,854.49-2,814.48

Finding the Fourth Proportional to 4,967.90, 6,854.49 and 2,814.48

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Solution

The fourth proportional to 4,967.90, 6,854.49 and 2,814.48 is: 3,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.90 : 6,854.49 = 2,814.48 : x
  2. Step 2: Convert to fraction form
    4,967.90/6,854.49 = 2,814.48/x
  3. Step 3: Cross multiply
    4,967.90x = 6,854.49 × 2,814.48
  4. Step 4: Simplify right side
    4,967.90x = 19,291,825.02
  5. Step 5: Solve for x
    x = 19,291,825.02/4,967.90
  6. Step 6: Final answer
    x = 3,883.30

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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.