Home / 5,423.15-7,483.89-3,033.20

Finding the Fourth Proportional to 5,423.15, 7,483.89 and 3,033.20

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Solution

The fourth proportional to 5,423.15, 7,483.89 and 3,033.20 is: 4,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.15 : 7,483.89 = 3,033.20 : x
  2. Step 2: Convert to fraction form
    5,423.15/7,483.89 = 3,033.20/x
  3. Step 3: Cross multiply
    5,423.15x = 7,483.89 × 3,033.20
  4. Step 4: Simplify right side
    5,423.15x = 22,700,123.14
  5. Step 5: Solve for x
    x = 22,700,123.14/5,423.15
  6. Step 6: Final answer
    x = 4,185.78

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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.