Home / 4,830.15-6,663.46-3,151.17

Finding the Fourth Proportional to 4,830.15, 6,663.46 and 3,151.17

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Solution

The fourth proportional to 4,830.15, 6,663.46 and 3,151.17 is: 4,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.15 : 6,663.46 = 3,151.17 : x
  2. Step 2: Convert to fraction form
    4,830.15/6,663.46 = 3,151.17/x
  3. Step 3: Cross multiply
    4,830.15x = 6,663.46 × 3,151.17
  4. Step 4: Simplify right side
    4,830.15x = 20,997,695.25
  5. Step 5: Solve for x
    x = 20,997,695.25/4,830.15
  6. Step 6: Final answer
    x = 4,347.21

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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.