Home / 1,739.87-2,401.40-1,110.27

Finding the Fourth Proportional to 1,739.87, 2,401.40 and 1,110.27

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Solution

The fourth proportional to 1,739.87, 2,401.40 and 1,110.27 is: 1,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.87 : 2,401.40 = 1,110.27 : x
  2. Step 2: Convert to fraction form
    1,739.87/2,401.40 = 1,110.27/x
  3. Step 3: Cross multiply
    1,739.87x = 2,401.40 × 1,110.27
  4. Step 4: Simplify right side
    1,739.87x = 2,666,214.16
  5. Step 5: Solve for x
    x = 2,666,214.16/1,739.87
  6. Step 6: Final answer
    x = 1,532.42

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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.