Home / 5,854.25-8,784.83-2,159.06

Finding the Fourth Proportional to 5,854.25, 8,784.83 and 2,159.06

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Solution

The fourth proportional to 5,854.25, 8,784.83 and 2,159.06 is: 3,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.25 : 8,784.83 = 2,159.06 : x
  2. Step 2: Convert to fraction form
    5,854.25/8,784.83 = 2,159.06/x
  3. Step 3: Cross multiply
    5,854.25x = 8,784.83 × 2,159.06
  4. Step 4: Simplify right side
    5,854.25x = 18,966,920.34
  5. Step 5: Solve for x
    x = 18,966,920.34/5,854.25
  6. Step 6: Final answer
    x = 3,239.86

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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.