Home / 7,154.82-10,720.35-5,064.48

Finding the Fourth Proportional to 7,154.82, 10,720.35 and 5,064.48

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Solution

The fourth proportional to 7,154.82, 10,720.35 and 5,064.48 is: 7,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.82 : 10,720.35 = 5,064.48 : x
  2. Step 2: Convert to fraction form
    7,154.82/10,720.35 = 5,064.48/x
  3. Step 3: Cross multiply
    7,154.82x = 10,720.35 × 5,064.48
  4. Step 4: Simplify right side
    7,154.82x = 54,292,998.17
  5. Step 5: Solve for x
    x = 54,292,998.17/7,154.82
  6. Step 6: Final answer
    x = 7,588.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.