Home / 5,330.24-7,360.80-4,086.08

Finding the Fourth Proportional to 5,330.24, 7,360.80 and 4,086.08

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Solution

The fourth proportional to 5,330.24, 7,360.80 and 4,086.08 is: 5,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.24 : 7,360.80 = 4,086.08 : x
  2. Step 2: Convert to fraction form
    5,330.24/7,360.80 = 4,086.08/x
  3. Step 3: Cross multiply
    5,330.24x = 7,360.80 × 4,086.08
  4. Step 4: Simplify right side
    5,330.24x = 30,076,817.66
  5. Step 5: Solve for x
    x = 30,076,817.66/5,330.24
  6. Step 6: Final answer
    x = 5,642.68

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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.