Home / 6,291.96-8,672.18-4,299.06

Finding the Fourth Proportional to 6,291.96, 8,672.18 and 4,299.06

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Solution

The fourth proportional to 6,291.96, 8,672.18 and 4,299.06 is: 5,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.96 : 8,672.18 = 4,299.06 : x
  2. Step 2: Convert to fraction form
    6,291.96/8,672.18 = 4,299.06/x
  3. Step 3: Cross multiply
    6,291.96x = 8,672.18 × 4,299.06
  4. Step 4: Simplify right side
    6,291.96x = 37,282,222.15
  5. Step 5: Solve for x
    x = 37,282,222.15/6,291.96
  6. Step 6: Final answer
    x = 5,925.37

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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.