Home / 5,717.58-7,888.68-3,358.86

Finding the Fourth Proportional to 5,717.58, 7,888.68 and 3,358.86

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Solution

The fourth proportional to 5,717.58, 7,888.68 and 3,358.86 is: 4,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.58 : 7,888.68 = 3,358.86 : x
  2. Step 2: Convert to fraction form
    5,717.58/7,888.68 = 3,358.86/x
  3. Step 3: Cross multiply
    5,717.58x = 7,888.68 × 3,358.86
  4. Step 4: Simplify right side
    5,717.58x = 26,496,971.70
  5. Step 5: Solve for x
    x = 26,496,971.70/5,717.58
  6. Step 6: Final answer
    x = 4,634.30

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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.