Home / 4,830.46-6,663.68-3,151.12

Finding the Fourth Proportional to 4,830.46, 6,663.68 and 3,151.12

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Solution

The fourth proportional to 4,830.46, 6,663.68 and 3,151.12 is: 4,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.46 : 6,663.68 = 3,151.12 : x
  2. Step 2: Convert to fraction form
    4,830.46/6,663.68 = 3,151.12/x
  3. Step 3: Cross multiply
    4,830.46x = 6,663.68 × 3,151.12
  4. Step 4: Simplify right side
    4,830.46x = 20,998,055.32
  5. Step 5: Solve for x
    x = 20,998,055.32/4,830.46
  6. Step 6: Final answer
    x = 4,347.01

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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.