Home / 5,423.20-7,483.98-3,065.34

Finding the Fourth Proportional to 5,423.20, 7,483.98 and 3,065.34

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Solution

The fourth proportional to 5,423.20, 7,483.98 and 3,065.34 is: 4,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.20 : 7,483.98 = 3,065.34 : x
  2. Step 2: Convert to fraction form
    5,423.20/7,483.98 = 3,065.34/x
  3. Step 3: Cross multiply
    5,423.20x = 7,483.98 × 3,065.34
  4. Step 4: Simplify right side
    5,423.20x = 22,940,943.25
  5. Step 5: Solve for x
    x = 22,940,943.25/5,423.20
  6. Step 6: Final answer
    x = 4,230.15

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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.