Home / 4,080.48-5,630.70-2,311.74

Finding the Fourth Proportional to 4,080.48, 5,630.70 and 2,311.74

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Solution

The fourth proportional to 4,080.48, 5,630.70 and 2,311.74 is: 3,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.48 : 5,630.70 = 2,311.74 : x
  2. Step 2: Convert to fraction form
    4,080.48/5,630.70 = 2,311.74/x
  3. Step 3: Cross multiply
    4,080.48x = 5,630.70 × 2,311.74
  4. Step 4: Simplify right side
    4,080.48x = 13,016,714.42
  5. Step 5: Solve for x
    x = 13,016,714.42/4,080.48
  6. Step 6: Final answer
    x = 3,190.00

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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.