Home / 5,476.52-7,555.70-3,118.06

Finding the Fourth Proportional to 5,476.52, 7,555.70 and 3,118.06

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Solution

The fourth proportional to 5,476.52, 7,555.70 and 3,118.06 is: 4,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.52 : 7,555.70 = 3,118.06 : x
  2. Step 2: Convert to fraction form
    5,476.52/7,555.70 = 3,118.06/x
  3. Step 3: Cross multiply
    5,476.52x = 7,555.70 × 3,118.06
  4. Step 4: Simplify right side
    5,476.52x = 23,559,125.94
  5. Step 5: Solve for x
    x = 23,559,125.94/5,476.52
  6. Step 6: Final answer
    x = 4,301.84

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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.