Home / 7,374.51-10,175.13-4,187.03

Finding the Fourth Proportional to 7,374.51, 10,175.13 and 4,187.03

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Solution

The fourth proportional to 7,374.51, 10,175.13 and 4,187.03 is: 5,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.51 : 10,175.13 = 4,187.03 : x
  2. Step 2: Convert to fraction form
    7,374.51/10,175.13 = 4,187.03/x
  3. Step 3: Cross multiply
    7,374.51x = 10,175.13 × 4,187.03
  4. Step 4: Simplify right side
    7,374.51x = 42,603,523.69
  5. Step 5: Solve for x
    x = 42,603,523.69/7,374.51
  6. Step 6: Final answer
    x = 5,777.13

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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.