Home / 4,754.33-7,131.47-1,291.58

Finding the Fourth Proportional to 4,754.33, 7,131.47 and 1,291.58

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Solution

The fourth proportional to 4,754.33, 7,131.47 and 1,291.58 is: 1,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.33 : 7,131.47 = 1,291.58 : x
  2. Step 2: Convert to fraction form
    4,754.33/7,131.47 = 1,291.58/x
  3. Step 3: Cross multiply
    4,754.33x = 7,131.47 × 1,291.58
  4. Step 4: Simplify right side
    4,754.33x = 9,210,885.08
  5. Step 5: Solve for x
    x = 9,210,885.08/4,754.33
  6. Step 6: Final answer
    x = 1,937.37

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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.