Home / 4,814.76-6,642.36-3,240.12

Finding the Fourth Proportional to 4,814.76, 6,642.36 and 3,240.12

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Solution

The fourth proportional to 4,814.76, 6,642.36 and 3,240.12 is: 4,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.76 : 6,642.36 = 3,240.12 : x
  2. Step 2: Convert to fraction form
    4,814.76/6,642.36 = 3,240.12/x
  3. Step 3: Cross multiply
    4,814.76x = 6,642.36 × 3,240.12
  4. Step 4: Simplify right side
    4,814.76x = 21,522,043.48
  5. Step 5: Solve for x
    x = 21,522,043.48/4,814.76
  6. Step 6: Final answer
    x = 4,470.01

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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.