Home / 7,345.08-11,015.95-2,080.64

Finding the Fourth Proportional to 7,345.08, 11,015.95 and 2,080.64

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Solution

The fourth proportional to 7,345.08, 11,015.95 and 2,080.64 is: 3,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.08 : 11,015.95 = 2,080.64 : x
  2. Step 2: Convert to fraction form
    7,345.08/11,015.95 = 2,080.64/x
  3. Step 3: Cross multiply
    7,345.08x = 11,015.95 × 2,080.64
  4. Step 4: Simplify right side
    7,345.08x = 22,920,190.48
  5. Step 5: Solve for x
    x = 22,920,190.48/7,345.08
  6. Step 6: Final answer
    x = 3,120.48

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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.