Home / 4,077.66-5,630.40-2,662.32

Finding the Fourth Proportional to 4,077.66, 5,630.40 and 2,662.32

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Solution

The fourth proportional to 4,077.66, 5,630.40 and 2,662.32 is: 3,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.66 : 5,630.40 = 2,662.32 : x
  2. Step 2: Convert to fraction form
    4,077.66/5,630.40 = 2,662.32/x
  3. Step 3: Cross multiply
    4,077.66x = 5,630.40 × 2,662.32
  4. Step 4: Simplify right side
    4,077.66x = 14,989,926.53
  5. Step 5: Solve for x
    x = 14,989,926.53/4,077.66
  6. Step 6: Final answer
    x = 3,676.11

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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.