Home / 5,508.72-8,262.96-2,585.40

Finding the Fourth Proportional to 5,508.72, 8,262.96 and 2,585.40

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Solution

The fourth proportional to 5,508.72, 8,262.96 and 2,585.40 is: 3,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.72 : 8,262.96 = 2,585.40 : x
  2. Step 2: Convert to fraction form
    5,508.72/8,262.96 = 2,585.40/x
  3. Step 3: Cross multiply
    5,508.72x = 8,262.96 × 2,585.40
  4. Step 4: Simplify right side
    5,508.72x = 21,363,056.78
  5. Step 5: Solve for x
    x = 21,363,056.78/5,508.72
  6. Step 6: Final answer
    x = 3,878.04

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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.