Home / 5,760.15-8,641.60-1,864.56

Finding the Fourth Proportional to 5,760.15, 8,641.60 and 1,864.56

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Solution

The fourth proportional to 5,760.15, 8,641.60 and 1,864.56 is: 2,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.15 : 8,641.60 = 1,864.56 : x
  2. Step 2: Convert to fraction form
    5,760.15/8,641.60 = 1,864.56/x
  3. Step 3: Cross multiply
    5,760.15x = 8,641.60 × 1,864.56
  4. Step 4: Simplify right side
    5,760.15x = 16,112,729.17
  5. Step 5: Solve for x
    x = 16,112,729.17/5,760.15
  6. Step 6: Final answer
    x = 2,797.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.