Home / 7,029.88-9,702.60-4,515.16

Finding the Fourth Proportional to 7,029.88, 9,702.60 and 4,515.16

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Solution

The fourth proportional to 7,029.88, 9,702.60 and 4,515.16 is: 6,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.88 : 9,702.60 = 4,515.16 : x
  2. Step 2: Convert to fraction form
    7,029.88/9,702.60 = 4,515.16/x
  3. Step 3: Cross multiply
    7,029.88x = 9,702.60 × 4,515.16
  4. Step 4: Simplify right side
    7,029.88x = 43,808,791.42
  5. Step 5: Solve for x
    x = 43,808,791.42/7,029.88
  6. Step 6: Final answer
    x = 6,231.80

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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.