Home / 4,670.24-6,443.12-2,680.32

Finding the Fourth Proportional to 4,670.24, 6,443.12 and 2,680.32

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Solution

The fourth proportional to 4,670.24, 6,443.12 and 2,680.32 is: 3,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.24 : 6,443.12 = 2,680.32 : x
  2. Step 2: Convert to fraction form
    4,670.24/6,443.12 = 2,680.32/x
  3. Step 3: Cross multiply
    4,670.24x = 6,443.12 × 2,680.32
  4. Step 4: Simplify right side
    4,670.24x = 17,269,623.40
  5. Step 5: Solve for x
    x = 17,269,623.40/4,670.24
  6. Step 6: Final answer
    x = 3,697.80

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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.