Home / 5,754.14-8,630.80-3,281.21

Finding the Fourth Proportional to 5,754.14, 8,630.80 and 3,281.21

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Solution

The fourth proportional to 5,754.14, 8,630.80 and 3,281.21 is: 4,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.14 : 8,630.80 = 3,281.21 : x
  2. Step 2: Convert to fraction form
    5,754.14/8,630.80 = 3,281.21/x
  3. Step 3: Cross multiply
    5,754.14x = 8,630.80 × 3,281.21
  4. Step 4: Simplify right side
    5,754.14x = 28,319,407.71
  5. Step 5: Solve for x
    x = 28,319,407.71/5,754.14
  6. Step 6: Final answer
    x = 4,921.58

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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.