Home / 3,730.15-5,147.58-2,051.53

Finding the Fourth Proportional to 3,730.15, 5,147.58 and 2,051.53

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Solution

The fourth proportional to 3,730.15, 5,147.58 and 2,051.53 is: 2,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.15 : 5,147.58 = 2,051.53 : x
  2. Step 2: Convert to fraction form
    3,730.15/5,147.58 = 2,051.53/x
  3. Step 3: Cross multiply
    3,730.15x = 5,147.58 × 2,051.53
  4. Step 4: Simplify right side
    3,730.15x = 10,560,409.62
  5. Step 5: Solve for x
    x = 10,560,409.62/3,730.15
  6. Step 6: Final answer
    x = 2,831.09

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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.