Home / 5,317.49-7,338.07-3,080.08

Finding the Fourth Proportional to 5,317.49, 7,338.07 and 3,080.08

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Solution

The fourth proportional to 5,317.49, 7,338.07 and 3,080.08 is: 4,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.49 : 7,338.07 = 3,080.08 : x
  2. Step 2: Convert to fraction form
    5,317.49/7,338.07 = 3,080.08/x
  3. Step 3: Cross multiply
    5,317.49x = 7,338.07 × 3,080.08
  4. Step 4: Simplify right side
    5,317.49x = 22,601,852.17
  5. Step 5: Solve for x
    x = 22,601,852.17/5,317.49
  6. Step 6: Final answer
    x = 4,250.48

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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.