Home / 3,015.60-4,160.88-2,545.26

Finding the Fourth Proportional to 3,015.60, 4,160.88 and 2,545.26

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Solution

The fourth proportional to 3,015.60, 4,160.88 and 2,545.26 is: 3,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.60 : 4,160.88 = 2,545.26 : x
  2. Step 2: Convert to fraction form
    3,015.60/4,160.88 = 2,545.26/x
  3. Step 3: Cross multiply
    3,015.60x = 4,160.88 × 2,545.26
  4. Step 4: Simplify right side
    3,015.60x = 10,590,521.43
  5. Step 5: Solve for x
    x = 10,590,521.43/3,015.60
  6. Step 6: Final answer
    x = 3,511.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.