Home / 7,314.04-10,092.08-4,170.20

Finding the Fourth Proportional to 7,314.04, 10,092.08 and 4,170.20

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Solution

The fourth proportional to 7,314.04, 10,092.08 and 4,170.20 is: 5,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.04 : 10,092.08 = 4,170.20 : x
  2. Step 2: Convert to fraction form
    7,314.04/10,092.08 = 4,170.20/x
  3. Step 3: Cross multiply
    7,314.04x = 10,092.08 × 4,170.20
  4. Step 4: Simplify right side
    7,314.04x = 42,085,992.02
  5. Step 5: Solve for x
    x = 42,085,992.02/7,314.04
  6. Step 6: Final answer
    x = 5,754.14

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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.