Home / 4,873.90-7,310.85-3,124.30

Finding the Fourth Proportional to 4,873.90, 7,310.85 and 3,124.30

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Solution

The fourth proportional to 4,873.90, 7,310.85 and 3,124.30 is: 4,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.90 : 7,310.85 = 3,124.30 : x
  2. Step 2: Convert to fraction form
    4,873.90/7,310.85 = 3,124.30/x
  3. Step 3: Cross multiply
    4,873.90x = 7,310.85 × 3,124.30
  4. Step 4: Simplify right side
    4,873.90x = 22,841,288.66
  5. Step 5: Solve for x
    x = 22,841,288.66/4,873.90
  6. Step 6: Final answer
    x = 4,686.45

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Similar ratio
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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.