Home / 6,690.08-9,233.16-4,037.60

Finding the Fourth Proportional to 6,690.08, 9,233.16 and 4,037.60

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Solution

The fourth proportional to 6,690.08, 9,233.16 and 4,037.60 is: 5,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.08 : 9,233.16 = 4,037.60 : x
  2. Step 2: Convert to fraction form
    6,690.08/9,233.16 = 4,037.60/x
  3. Step 3: Cross multiply
    6,690.08x = 9,233.16 × 4,037.60
  4. Step 4: Simplify right side
    6,690.08x = 37,279,806.82
  5. Step 5: Solve for x
    x = 37,279,806.82/6,690.08
  6. Step 6: Final answer
    x = 5,572.40

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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.