Home / 5,335.31-8,002.98-1,872.56

Finding the Fourth Proportional to 5,335.31, 8,002.98 and 1,872.56

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Solution

The fourth proportional to 5,335.31, 8,002.98 and 1,872.56 is: 2,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.31 : 8,002.98 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    5,335.31/8,002.98 = 1,872.56/x
  3. Step 3: Cross multiply
    5,335.31x = 8,002.98 × 1,872.56
  4. Step 4: Simplify right side
    5,335.31x = 14,986,080.24
  5. Step 5: Solve for x
    x = 14,986,080.24/5,335.31
  6. Step 6: Final answer
    x = 2,808.85

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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.