Home / 5,374.77-8,061.94-1,479.07

Finding the Fourth Proportional to 5,374.77, 8,061.94 and 1,479.07

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Solution

The fourth proportional to 5,374.77, 8,061.94 and 1,479.07 is: 2,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.77 : 8,061.94 = 1,479.07 : x
  2. Step 2: Convert to fraction form
    5,374.77/8,061.94 = 1,479.07/x
  3. Step 3: Cross multiply
    5,374.77x = 8,061.94 × 1,479.07
  4. Step 4: Simplify right side
    5,374.77x = 11,924,173.60
  5. Step 5: Solve for x
    x = 11,924,173.60/5,374.77
  6. Step 6: Final answer
    x = 2,218.55

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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.