Home / 5,431.98-8,148.72-1,732.95

Finding the Fourth Proportional to 5,431.98, 8,148.72 and 1,732.95

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Solution

The fourth proportional to 5,431.98, 8,148.72 and 1,732.95 is: 2,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.98 : 8,148.72 = 1,732.95 : x
  2. Step 2: Convert to fraction form
    5,431.98/8,148.72 = 1,732.95/x
  3. Step 3: Cross multiply
    5,431.98x = 8,148.72 × 1,732.95
  4. Step 4: Simplify right side
    5,431.98x = 14,121,283.58
  5. Step 5: Solve for x
    x = 14,121,283.58/5,431.98
  6. Step 6: Final answer
    x = 2,599.66

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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.