Home / 7,025.21-10,538.13-2,642.32

Finding the Fourth Proportional to 7,025.21, 10,538.13 and 2,642.32

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Solution

The fourth proportional to 7,025.21, 10,538.13 and 2,642.32 is: 3,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.21 : 10,538.13 = 2,642.32 : x
  2. Step 2: Convert to fraction form
    7,025.21/10,538.13 = 2,642.32/x
  3. Step 3: Cross multiply
    7,025.21x = 10,538.13 × 2,642.32
  4. Step 4: Simplify right side
    7,025.21x = 27,845,112.45
  5. Step 5: Solve for x
    x = 27,845,112.45/7,025.21
  6. Step 6: Final answer
    x = 3,963.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.