Home / 6,254.30-8,630.57-3,421.15

Finding the Fourth Proportional to 6,254.30, 8,630.57 and 3,421.15

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Solution

The fourth proportional to 6,254.30, 8,630.57 and 3,421.15 is: 4,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.30 : 8,630.57 = 3,421.15 : x
  2. Step 2: Convert to fraction form
    6,254.30/8,630.57 = 3,421.15/x
  3. Step 3: Cross multiply
    6,254.30x = 8,630.57 × 3,421.15
  4. Step 4: Simplify right side
    6,254.30x = 29,526,461.53
  5. Step 5: Solve for x
    x = 29,526,461.53/6,254.30
  6. Step 6: Final answer
    x = 4,720.98

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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.