Home / 5,775.51-8,617.91-5,422.86

Finding the Fourth Proportional to 5,775.51, 8,617.91 and 5,422.86

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Solution

The fourth proportional to 5,775.51, 8,617.91 and 5,422.86 is: 8,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.51 : 8,617.91 = 5,422.86 : x
  2. Step 2: Convert to fraction form
    5,775.51/8,617.91 = 5,422.86/x
  3. Step 3: Cross multiply
    5,775.51x = 8,617.91 × 5,422.86
  4. Step 4: Simplify right side
    5,775.51x = 46,733,719.42
  5. Step 5: Solve for x
    x = 46,733,719.42/5,775.51
  6. Step 6: Final answer
    x = 8,091.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.