Home / 5,400.02-7,451.80-3,009.87

Finding the Fourth Proportional to 5,400.02, 7,451.80 and 3,009.87

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Solution

The fourth proportional to 5,400.02, 7,451.80 and 3,009.87 is: 4,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.02 : 7,451.80 = 3,009.87 : x
  2. Step 2: Convert to fraction form
    5,400.02/7,451.80 = 3,009.87/x
  3. Step 3: Cross multiply
    5,400.02x = 7,451.80 × 3,009.87
  4. Step 4: Simplify right side
    5,400.02x = 22,428,941.74
  5. Step 5: Solve for x
    x = 22,428,941.74/5,400.02
  6. Step 6: Final answer
    x = 4,153.49

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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.