Home / 5,699.84-7,859.58-3,706.70

Finding the Fourth Proportional to 5,699.84, 7,859.58 and 3,706.70

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Solution

The fourth proportional to 5,699.84, 7,859.58 and 3,706.70 is: 5,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.84 : 7,859.58 = 3,706.70 : x
  2. Step 2: Convert to fraction form
    5,699.84/7,859.58 = 3,706.70/x
  3. Step 3: Cross multiply
    5,699.84x = 7,859.58 × 3,706.70
  4. Step 4: Simplify right side
    5,699.84x = 29,133,105.19
  5. Step 5: Solve for x
    x = 29,133,105.19/5,699.84
  6. Step 6: Final answer
    x = 5,111.21

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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.