Home / 4,830.32-6,664.20-2,840.24

Finding the Fourth Proportional to 4,830.32, 6,664.20 and 2,840.24

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Solution

The fourth proportional to 4,830.32, 6,664.20 and 2,840.24 is: 3,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.32 : 6,664.20 = 2,840.24 : x
  2. Step 2: Convert to fraction form
    4,830.32/6,664.20 = 2,840.24/x
  3. Step 3: Cross multiply
    4,830.32x = 6,664.20 × 2,840.24
  4. Step 4: Simplify right side
    4,830.32x = 18,927,927.41
  5. Step 5: Solve for x
    x = 18,927,927.41/4,830.32
  6. Step 6: Final answer
    x = 3,918.57

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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.