Home / 3,957.19-5,459.67-2,631.11

Finding the Fourth Proportional to 3,957.19, 5,459.67 and 2,631.11

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Solution

The fourth proportional to 3,957.19, 5,459.67 and 2,631.11 is: 3,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.19 : 5,459.67 = 2,631.11 : x
  2. Step 2: Convert to fraction form
    3,957.19/5,459.67 = 2,631.11/x
  3. Step 3: Cross multiply
    3,957.19x = 5,459.67 × 2,631.11
  4. Step 4: Simplify right side
    3,957.19x = 14,364,965.04
  5. Step 5: Solve for x
    x = 14,364,965.04/3,957.19
  6. Step 6: Final answer
    x = 3,630.09

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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.