Home / 5,815.02-8,024.70-3,162.42

Finding the Fourth Proportional to 5,815.02, 8,024.70 and 3,162.42

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Solution

The fourth proportional to 5,815.02, 8,024.70 and 3,162.42 is: 4,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.02 : 8,024.70 = 3,162.42 : x
  2. Step 2: Convert to fraction form
    5,815.02/8,024.70 = 3,162.42/x
  3. Step 3: Cross multiply
    5,815.02x = 8,024.70 × 3,162.42
  4. Step 4: Simplify right side
    5,815.02x = 25,377,471.77
  5. Step 5: Solve for x
    x = 25,377,471.77/5,815.02
  6. Step 6: Final answer
    x = 4,364.12

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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.