Home / 5,585.31-8,372.12-1,886.27

Finding the Fourth Proportional to 5,585.31, 8,372.12 and 1,886.27

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Solution

The fourth proportional to 5,585.31, 8,372.12 and 1,886.27 is: 2,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.31 : 8,372.12 = 1,886.27 : x
  2. Step 2: Convert to fraction form
    5,585.31/8,372.12 = 1,886.27/x
  3. Step 3: Cross multiply
    5,585.31x = 8,372.12 × 1,886.27
  4. Step 4: Simplify right side
    5,585.31x = 15,792,027.50
  5. Step 5: Solve for x
    x = 15,792,027.50/5,585.31
  6. Step 6: Final answer
    x = 2,827.42

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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.