Home / 2,475.92-3,714.20-2,186.16

Finding the Fourth Proportional to 2,475.92, 3,714.20 and 2,186.16

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Solution

The fourth proportional to 2,475.92, 3,714.20 and 2,186.16 is: 3,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.92 : 3,714.20 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    2,475.92/3,714.20 = 2,186.16/x
  3. Step 3: Cross multiply
    2,475.92x = 3,714.20 × 2,186.16
  4. Step 4: Simplify right side
    2,475.92x = 8,119,835.47
  5. Step 5: Solve for x
    x = 8,119,835.47/2,475.92
  6. Step 6: Final answer
    x = 3,279.52

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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.