Home / 5,877.12-8,110.86-4,284.24

Finding the Fourth Proportional to 5,877.12, 8,110.86 and 4,284.24

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Solution

The fourth proportional to 5,877.12, 8,110.86 and 4,284.24 is: 5,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.12 : 8,110.86 = 4,284.24 : x
  2. Step 2: Convert to fraction form
    5,877.12/8,110.86 = 4,284.24/x
  3. Step 3: Cross multiply
    5,877.12x = 8,110.86 × 4,284.24
  4. Step 4: Simplify right side
    5,877.12x = 34,748,870.85
  5. Step 5: Solve for x
    x = 34,748,870.85/5,877.12
  6. Step 6: Final answer
    x = 5,912.57

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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.