Home / 5,855.76-8,079.48-3,465.36

Finding the Fourth Proportional to 5,855.76, 8,079.48 and 3,465.36

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Solution

The fourth proportional to 5,855.76, 8,079.48 and 3,465.36 is: 4,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.76 : 8,079.48 = 3,465.36 : x
  2. Step 2: Convert to fraction form
    5,855.76/8,079.48 = 3,465.36/x
  3. Step 3: Cross multiply
    5,855.76x = 8,079.48 × 3,465.36
  4. Step 4: Simplify right side
    5,855.76x = 27,998,306.81
  5. Step 5: Solve for x
    x = 27,998,306.81/5,855.76
  6. Step 6: Final answer
    x = 4,781.33

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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.