Home / 7,312.52-10,092.28-4,480.05

Finding the Fourth Proportional to 7,312.52, 10,092.28 and 4,480.05

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Solution

The fourth proportional to 7,312.52, 10,092.28 and 4,480.05 is: 6,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.52 : 10,092.28 = 4,480.05 : x
  2. Step 2: Convert to fraction form
    7,312.52/10,092.28 = 4,480.05/x
  3. Step 3: Cross multiply
    7,312.52x = 10,092.28 × 4,480.05
  4. Step 4: Simplify right side
    7,312.52x = 45,213,919.01
  5. Step 5: Solve for x
    x = 45,213,919.01/7,312.52
  6. Step 6: Final answer
    x = 6,183.08

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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.