Home / 1,776.36-2,453.28-1,352.18

Finding the Fourth Proportional to 1,776.36, 2,453.28 and 1,352.18

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Solution

The fourth proportional to 1,776.36, 2,453.28 and 1,352.18 is: 1,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.36 : 2,453.28 = 1,352.18 : x
  2. Step 2: Convert to fraction form
    1,776.36/2,453.28 = 1,352.18/x
  3. Step 3: Cross multiply
    1,776.36x = 2,453.28 × 1,352.18
  4. Step 4: Simplify right side
    1,776.36x = 3,317,276.15
  5. Step 5: Solve for x
    x = 3,317,276.15/1,776.36
  6. Step 6: Final answer
    x = 1,867.46

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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.