Home / 3,423.04-4,723.44-1,931.04

Finding the Fourth Proportional to 3,423.04, 4,723.44 and 1,931.04

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Solution

The fourth proportional to 3,423.04, 4,723.44 and 1,931.04 is: 2,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.04 : 4,723.44 = 1,931.04 : x
  2. Step 2: Convert to fraction form
    3,423.04/4,723.44 = 1,931.04/x
  3. Step 3: Cross multiply
    3,423.04x = 4,723.44 × 1,931.04
  4. Step 4: Simplify right side
    3,423.04x = 9,121,151.58
  5. Step 5: Solve for x
    x = 9,121,151.58/3,423.04
  6. Step 6: Final answer
    x = 2,664.63

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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.