Home / 5,074.88-7,001.29-3,374.21

Finding the Fourth Proportional to 5,074.88, 7,001.29 and 3,374.21

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Solution

The fourth proportional to 5,074.88, 7,001.29 and 3,374.21 is: 4,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.88 : 7,001.29 = 3,374.21 : x
  2. Step 2: Convert to fraction form
    5,074.88/7,001.29 = 3,374.21/x
  3. Step 3: Cross multiply
    5,074.88x = 7,001.29 × 3,374.21
  4. Step 4: Simplify right side
    5,074.88x = 23,623,831.80
  5. Step 5: Solve for x
    x = 23,623,831.80/5,074.88
  6. Step 6: Final answer
    x = 4,655.05

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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.