Home / 5,443.40-7,511.63-3,053.08

Finding the Fourth Proportional to 5,443.40, 7,511.63 and 3,053.08

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Solution

The fourth proportional to 5,443.40, 7,511.63 and 3,053.08 is: 4,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.40 : 7,511.63 = 3,053.08 : x
  2. Step 2: Convert to fraction form
    5,443.40/7,511.63 = 3,053.08/x
  3. Step 3: Cross multiply
    5,443.40x = 7,511.63 × 3,053.08
  4. Step 4: Simplify right side
    5,443.40x = 22,933,567.78
  5. Step 5: Solve for x
    x = 22,933,567.78/5,443.40
  6. Step 6: Final answer
    x = 4,213.09

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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.