Home / 5,874.07-8,106.59-3,881.13

Finding the Fourth Proportional to 5,874.07, 8,106.59 and 3,881.13

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Solution

The fourth proportional to 5,874.07, 8,106.59 and 3,881.13 is: 5,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.07 : 8,106.59 = 3,881.13 : x
  2. Step 2: Convert to fraction form
    5,874.07/8,106.59 = 3,881.13/x
  3. Step 3: Cross multiply
    5,874.07x = 8,106.59 × 3,881.13
  4. Step 4: Simplify right side
    5,874.07x = 31,462,729.65
  5. Step 5: Solve for x
    x = 31,462,729.65/5,874.07
  6. Step 6: Final answer
    x = 5,356.21

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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.