Home / 4,006.80-5,529.36-2,434.32

Finding the Fourth Proportional to 4,006.80, 5,529.36 and 2,434.32

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Solution

The fourth proportional to 4,006.80, 5,529.36 and 2,434.32 is: 3,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.80 : 5,529.36 = 2,434.32 : x
  2. Step 2: Convert to fraction form
    4,006.80/5,529.36 = 2,434.32/x
  3. Step 3: Cross multiply
    4,006.80x = 5,529.36 × 2,434.32
  4. Step 4: Simplify right side
    4,006.80x = 13,460,231.64
  5. Step 5: Solve for x
    x = 13,460,231.64/4,006.80
  6. Step 6: Final answer
    x = 3,359.35

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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.