Home / 6,621.30-9,925.02-2,671.20

Finding the Fourth Proportional to 6,621.30, 9,925.02 and 2,671.20

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Solution

The fourth proportional to 6,621.30, 9,925.02 and 2,671.20 is: 4,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.30 : 9,925.02 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    6,621.30/9,925.02 = 2,671.20/x
  3. Step 3: Cross multiply
    6,621.30x = 9,925.02 × 2,671.20
  4. Step 4: Simplify right side
    6,621.30x = 26,511,713.42
  5. Step 5: Solve for x
    x = 26,511,713.42/6,621.30
  6. Step 6: Final answer
    x = 4,004.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.