Home / 3,706.75-5,113.55-2,289.93

Finding the Fourth Proportional to 3,706.75, 5,113.55 and 2,289.93

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Solution

The fourth proportional to 3,706.75, 5,113.55 and 2,289.93 is: 3,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.75 : 5,113.55 = 2,289.93 : x
  2. Step 2: Convert to fraction form
    3,706.75/5,113.55 = 2,289.93/x
  3. Step 3: Cross multiply
    3,706.75x = 5,113.55 × 2,289.93
  4. Step 4: Simplify right side
    3,706.75x = 11,709,634.53
  5. Step 5: Solve for x
    x = 11,709,634.53/3,706.75
  6. Step 6: Final answer
    x = 3,159.01

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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.