Home / 5,541.36-8,312.16-2,253.78

Finding the Fourth Proportional to 5,541.36, 8,312.16 and 2,253.78

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Solution

The fourth proportional to 5,541.36, 8,312.16 and 2,253.78 is: 3,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.36 : 8,312.16 = 2,253.78 : x
  2. Step 2: Convert to fraction form
    5,541.36/8,312.16 = 2,253.78/x
  3. Step 3: Cross multiply
    5,541.36x = 8,312.16 × 2,253.78
  4. Step 4: Simplify right side
    5,541.36x = 18,733,779.96
  5. Step 5: Solve for x
    x = 18,733,779.96/5,541.36
  6. Step 6: Final answer
    x = 3,380.72

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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.