Home / 4,252.02-6,379.55-1,478.58

Finding the Fourth Proportional to 4,252.02, 6,379.55 and 1,478.58

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Solution

The fourth proportional to 4,252.02, 6,379.55 and 1,478.58 is: 2,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.02 : 6,379.55 = 1,478.58 : x
  2. Step 2: Convert to fraction form
    4,252.02/6,379.55 = 1,478.58/x
  3. Step 3: Cross multiply
    4,252.02x = 6,379.55 × 1,478.58
  4. Step 4: Simplify right side
    4,252.02x = 9,432,675.04
  5. Step 5: Solve for x
    x = 9,432,675.04/4,252.02
  6. Step 6: Final answer
    x = 2,218.40

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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.