Home / 4,783.14-7,172.12-2,315.58

Finding the Fourth Proportional to 4,783.14, 7,172.12 and 2,315.58

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Solution

The fourth proportional to 4,783.14, 7,172.12 and 2,315.58 is: 3,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.14 : 7,172.12 = 2,315.58 : x
  2. Step 2: Convert to fraction form
    4,783.14/7,172.12 = 2,315.58/x
  3. Step 3: Cross multiply
    4,783.14x = 7,172.12 × 2,315.58
  4. Step 4: Simplify right side
    4,783.14x = 16,607,617.63
  5. Step 5: Solve for x
    x = 16,607,617.63/4,783.14
  6. Step 6: Final answer
    x = 3,472.12

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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.