Home / 5,357.35-7,392.74-3,087.08

Finding the Fourth Proportional to 5,357.35, 7,392.74 and 3,087.08

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Solution

The fourth proportional to 5,357.35, 7,392.74 and 3,087.08 is: 4,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.35 : 7,392.74 = 3,087.08 : x
  2. Step 2: Convert to fraction form
    5,357.35/7,392.74 = 3,087.08/x
  3. Step 3: Cross multiply
    5,357.35x = 7,392.74 × 3,087.08
  4. Step 4: Simplify right side
    5,357.35x = 22,821,935.12
  5. Step 5: Solve for x
    x = 22,821,935.12/5,357.35
  6. Step 6: Final answer
    x = 4,259.93

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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.