Home / 5,775.62-7,970.33-3,123.02

Finding the Fourth Proportional to 5,775.62, 7,970.33 and 3,123.02

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Solution

The fourth proportional to 5,775.62, 7,970.33 and 3,123.02 is: 4,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.62 : 7,970.33 = 3,123.02 : x
  2. Step 2: Convert to fraction form
    5,775.62/7,970.33 = 3,123.02/x
  3. Step 3: Cross multiply
    5,775.62x = 7,970.33 × 3,123.02
  4. Step 4: Simplify right side
    5,775.62x = 24,891,504.31
  5. Step 5: Solve for x
    x = 24,891,504.31/5,775.62
  6. Step 6: Final answer
    x = 4,309.76

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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.