Home / 5,039.93-7,559.28-1,918.59

Finding the Fourth Proportional to 5,039.93, 7,559.28 and 1,918.59

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Solution

The fourth proportional to 5,039.93, 7,559.28 and 1,918.59 is: 2,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.93 : 7,559.28 = 1,918.59 : x
  2. Step 2: Convert to fraction form
    5,039.93/7,559.28 = 1,918.59/x
  3. Step 3: Cross multiply
    5,039.93x = 7,559.28 × 1,918.59
  4. Step 4: Simplify right side
    5,039.93x = 14,503,159.02
  5. Step 5: Solve for x
    x = 14,503,159.02/5,039.93
  6. Step 6: Final answer
    x = 2,877.65

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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.