Home / 4,985.16-6,876.47-2,967.21

Finding the Fourth Proportional to 4,985.16, 6,876.47 and 2,967.21

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Solution

The fourth proportional to 4,985.16, 6,876.47 and 2,967.21 is: 4,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.16 : 6,876.47 = 2,967.21 : x
  2. Step 2: Convert to fraction form
    4,985.16/6,876.47 = 2,967.21/x
  3. Step 3: Cross multiply
    4,985.16x = 6,876.47 × 2,967.21
  4. Step 4: Simplify right side
    4,985.16x = 20,403,958.19
  5. Step 5: Solve for x
    x = 20,403,958.19/4,985.16
  6. Step 6: Final answer
    x = 4,092.94

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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.