Home / 4,990.60-7,484.85-2,523.10

Finding the Fourth Proportional to 4,990.60, 7,484.85 and 2,523.10

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Solution

The fourth proportional to 4,990.60, 7,484.85 and 2,523.10 is: 3,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.60 : 7,484.85 = 2,523.10 : x
  2. Step 2: Convert to fraction form
    4,990.60/7,484.85 = 2,523.10/x
  3. Step 3: Cross multiply
    4,990.60x = 7,484.85 × 2,523.10
  4. Step 4: Simplify right side
    4,990.60x = 18,885,025.04
  5. Step 5: Solve for x
    x = 18,885,025.04/4,990.60
  6. Step 6: Final answer
    x = 3,784.12

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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.