Home / 5,818.66-8,718.86-2,306.76

Finding the Fourth Proportional to 5,818.66, 8,718.86 and 2,306.76

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Solution

The fourth proportional to 5,818.66, 8,718.86 and 2,306.76 is: 3,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.66 : 8,718.86 = 2,306.76 : x
  2. Step 2: Convert to fraction form
    5,818.66/8,718.86 = 2,306.76/x
  3. Step 3: Cross multiply
    5,818.66x = 8,718.86 × 2,306.76
  4. Step 4: Simplify right side
    5,818.66x = 20,112,317.49
  5. Step 5: Solve for x
    x = 20,112,317.49/5,818.66
  6. Step 6: Final answer
    x = 3,456.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.