Home / 6,254.41-8,631.02-3,421.84

Finding the Fourth Proportional to 6,254.41, 8,631.02 and 3,421.84

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Solution

The fourth proportional to 6,254.41, 8,631.02 and 3,421.84 is: 4,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.41 : 8,631.02 = 3,421.84 : x
  2. Step 2: Convert to fraction form
    6,254.41/8,631.02 = 3,421.84/x
  3. Step 3: Cross multiply
    6,254.41x = 8,631.02 × 3,421.84
  4. Step 4: Simplify right side
    6,254.41x = 29,533,952.37
  5. Step 5: Solve for x
    x = 29,533,952.37/6,254.41
  6. Step 6: Final answer
    x = 4,722.10

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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.