Home / 3,114.08-4,670.32-922.29

Finding the Fourth Proportional to 3,114.08, 4,670.32 and 922.29

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Solution

The fourth proportional to 3,114.08, 4,670.32 and 922.29 is: 1,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.08 : 4,670.32 = 922.29 : x
  2. Step 2: Convert to fraction form
    3,114.08/4,670.32 = 922.29/x
  3. Step 3: Cross multiply
    3,114.08x = 4,670.32 × 922.29
  4. Step 4: Simplify right side
    3,114.08x = 4,307,398.80
  5. Step 5: Solve for x
    x = 4,307,398.80/3,114.08
  6. Step 6: Final answer
    x = 1,383.20

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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.