Home / 4,881.95-7,320.62-1,761.55

Finding the Fourth Proportional to 4,881.95, 7,320.62 and 1,761.55

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Solution

The fourth proportional to 4,881.95, 7,320.62 and 1,761.55 is: 2,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.95 : 7,320.62 = 1,761.55 : x
  2. Step 2: Convert to fraction form
    4,881.95/7,320.62 = 1,761.55/x
  3. Step 3: Cross multiply
    4,881.95x = 7,320.62 × 1,761.55
  4. Step 4: Simplify right side
    4,881.95x = 12,895,624.26
  5. Step 5: Solve for x
    x = 12,895,624.26/4,881.95
  6. Step 6: Final answer
    x = 2,641.49

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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.