Home / 2,152.50-3,219.27-1,874.58

Finding the Fourth Proportional to 2,152.50, 3,219.27 and 1,874.58

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Solution

The fourth proportional to 2,152.50, 3,219.27 and 1,874.58 is: 2,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.50 : 3,219.27 = 1,874.58 : x
  2. Step 2: Convert to fraction form
    2,152.50/3,219.27 = 1,874.58/x
  3. Step 3: Cross multiply
    2,152.50x = 3,219.27 × 1,874.58
  4. Step 4: Simplify right side
    2,152.50x = 6,034,779.16
  5. Step 5: Solve for x
    x = 6,034,779.16/2,152.50
  6. Step 6: Final answer
    x = 2,803.61

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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.