Home / 4,005.66-5,528.61-2,666.34

Finding the Fourth Proportional to 4,005.66, 5,528.61 and 2,666.34

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Solution

The fourth proportional to 4,005.66, 5,528.61 and 2,666.34 is: 3,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.66 : 5,528.61 = 2,666.34 : x
  2. Step 2: Convert to fraction form
    4,005.66/5,528.61 = 2,666.34/x
  3. Step 3: Cross multiply
    4,005.66x = 5,528.61 × 2,666.34
  4. Step 4: Simplify right side
    4,005.66x = 14,741,153.99
  5. Step 5: Solve for x
    x = 14,741,153.99/4,005.66
  6. Step 6: Final answer
    x = 3,680.08

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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.