Home / 4,817.57-7,232.12-2,870.69

Finding the Fourth Proportional to 4,817.57, 7,232.12 and 2,870.69

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Solution

The fourth proportional to 4,817.57, 7,232.12 and 2,870.69 is: 4,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.57 : 7,232.12 = 2,870.69 : x
  2. Step 2: Convert to fraction form
    4,817.57/7,232.12 = 2,870.69/x
  3. Step 3: Cross multiply
    4,817.57x = 7,232.12 × 2,870.69
  4. Step 4: Simplify right side
    4,817.57x = 20,761,160.21
  5. Step 5: Solve for x
    x = 20,761,160.21/4,817.57
  6. Step 6: Final answer
    x = 4,309.47

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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.