Home / 5,476.51-7,555.71-3,118.06

Finding the Fourth Proportional to 5,476.51, 7,555.71 and 3,118.06

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Solution

The fourth proportional to 5,476.51, 7,555.71 and 3,118.06 is: 4,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.51 : 7,555.71 = 3,118.06 : x
  2. Step 2: Convert to fraction form
    5,476.51/7,555.71 = 3,118.06/x
  3. Step 3: Cross multiply
    5,476.51x = 7,555.71 × 3,118.06
  4. Step 4: Simplify right side
    5,476.51x = 23,559,157.12
  5. Step 5: Solve for x
    x = 23,559,157.12/5,476.51
  6. Step 6: Final answer
    x = 4,301.86

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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.