Home / 7,315.04-10,093.46-4,171.20

Finding the Fourth Proportional to 7,315.04, 10,093.46 and 4,171.20

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Solution

The fourth proportional to 7,315.04, 10,093.46 and 4,171.20 is: 5,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.04 : 10,093.46 = 4,171.20 : x
  2. Step 2: Convert to fraction form
    7,315.04/10,093.46 = 4,171.20/x
  3. Step 3: Cross multiply
    7,315.04x = 10,093.46 × 4,171.20
  4. Step 4: Simplify right side
    7,315.04x = 42,101,840.35
  5. Step 5: Solve for x
    x = 42,101,840.35/7,315.04
  6. Step 6: Final answer
    x = 5,755.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.