Home / 5,274.36-7,279.40-3,036.08

Finding the Fourth Proportional to 5,274.36, 7,279.40 and 3,036.08

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Solution

The fourth proportional to 5,274.36, 7,279.40 and 3,036.08 is: 4,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.36 : 7,279.40 = 3,036.08 : x
  2. Step 2: Convert to fraction form
    5,274.36/7,279.40 = 3,036.08/x
  3. Step 3: Cross multiply
    5,274.36x = 7,279.40 × 3,036.08
  4. Step 4: Simplify right side
    5,274.36x = 22,100,840.75
  5. Step 5: Solve for x
    x = 22,100,840.75/5,274.36
  6. Step 6: Final answer
    x = 4,190.24

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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.