Home / 7,629.66-11,445.84-2,702.16

Finding the Fourth Proportional to 7,629.66, 11,445.84 and 2,702.16

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Solution

The fourth proportional to 7,629.66, 11,445.84 and 2,702.16 is: 4,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.66 : 11,445.84 = 2,702.16 : x
  2. Step 2: Convert to fraction form
    7,629.66/11,445.84 = 2,702.16/x
  3. Step 3: Cross multiply
    7,629.66x = 11,445.84 × 2,702.16
  4. Step 4: Simplify right side
    7,629.66x = 30,928,491.01
  5. Step 5: Solve for x
    x = 30,928,491.01/7,629.66
  6. Step 6: Final answer
    x = 4,053.72

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1.5x scale

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.