Home / 5,318.48-7,338.86-3,080.04

Finding the Fourth Proportional to 5,318.48, 7,338.86 and 3,080.04

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Solution

The fourth proportional to 5,318.48, 7,338.86 and 3,080.04 is: 4,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.48 : 7,338.86 = 3,080.04 : x
  2. Step 2: Convert to fraction form
    5,318.48/7,338.86 = 3,080.04/x
  3. Step 3: Cross multiply
    5,318.48x = 7,338.86 × 3,080.04
  4. Step 4: Simplify right side
    5,318.48x = 22,603,966.95
  5. Step 5: Solve for x
    x = 22,603,966.95/5,318.48
  6. Step 6: Final answer
    x = 4,250.08

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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.