Home / 6,402.06-8,833.32-3,607.56

Finding the Fourth Proportional to 6,402.06, 8,833.32 and 3,607.56

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Solution

The fourth proportional to 6,402.06, 8,833.32 and 3,607.56 is: 4,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.06 : 8,833.32 = 3,607.56 : x
  2. Step 2: Convert to fraction form
    6,402.06/8,833.32 = 3,607.56/x
  3. Step 3: Cross multiply
    6,402.06x = 8,833.32 × 3,607.56
  4. Step 4: Simplify right side
    6,402.06x = 31,866,731.90
  5. Step 5: Solve for x
    x = 31,866,731.90/6,402.06
  6. Step 6: Final answer
    x = 4,977.57

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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.