Home / 7,538.51-10,403.79-4,182.41

Finding the Fourth Proportional to 7,538.51, 10,403.79 and 4,182.41

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Solution

The fourth proportional to 7,538.51, 10,403.79 and 4,182.41 is: 5,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.51 : 10,403.79 = 4,182.41 : x
  2. Step 2: Convert to fraction form
    7,538.51/10,403.79 = 4,182.41/x
  3. Step 3: Cross multiply
    7,538.51x = 10,403.79 × 4,182.41
  4. Step 4: Simplify right side
    7,538.51x = 43,512,842.40
  5. Step 5: Solve for x
    x = 43,512,842.40/7,538.51
  6. Step 6: Final answer
    x = 5,772.07

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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.