Home / 3,147.87-4,343.95-1,750.59

Finding the Fourth Proportional to 3,147.87, 4,343.95 and 1,750.59

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Solution

The fourth proportional to 3,147.87, 4,343.95 and 1,750.59 is: 2,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.87 : 4,343.95 = 1,750.59 : x
  2. Step 2: Convert to fraction form
    3,147.87/4,343.95 = 1,750.59/x
  3. Step 3: Cross multiply
    3,147.87x = 4,343.95 × 1,750.59
  4. Step 4: Simplify right side
    3,147.87x = 7,604,475.43
  5. Step 5: Solve for x
    x = 7,604,475.43/3,147.87
  6. Step 6: Final answer
    x = 2,415.75

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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.