Home / 5,357.07-7,393.55-3,867.08

Finding the Fourth Proportional to 5,357.07, 7,393.55 and 3,867.08

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Solution

The fourth proportional to 5,357.07, 7,393.55 and 3,867.08 is: 5,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.07 : 7,393.55 = 3,867.08 : x
  2. Step 2: Convert to fraction form
    5,357.07/7,393.55 = 3,867.08/x
  3. Step 3: Cross multiply
    5,357.07x = 7,393.55 × 3,867.08
  4. Step 4: Simplify right side
    5,357.07x = 28,591,393.03
  5. Step 5: Solve for x
    x = 28,591,393.03/5,357.07
  6. Step 6: Final answer
    x = 5,337.13

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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.