Home / 5,855.16-8,777.78-2,565.76

Finding the Fourth Proportional to 5,855.16, 8,777.78 and 2,565.76

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Solution

The fourth proportional to 5,855.16, 8,777.78 and 2,565.76 is: 3,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.16 : 8,777.78 = 2,565.76 : x
  2. Step 2: Convert to fraction form
    5,855.16/8,777.78 = 2,565.76/x
  3. Step 3: Cross multiply
    5,855.16x = 8,777.78 × 2,565.76
  4. Step 4: Simplify right side
    5,855.16x = 22,521,676.81
  5. Step 5: Solve for x
    x = 22,521,676.81/5,855.16
  6. Step 6: Final answer
    x = 3,846.47

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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.