Home / 2,454.36-3,386.99-1,335.28

Finding the Fourth Proportional to 2,454.36, 3,386.99 and 1,335.28

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Solution

The fourth proportional to 2,454.36, 3,386.99 and 1,335.28 is: 1,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.36 : 3,386.99 = 1,335.28 : x
  2. Step 2: Convert to fraction form
    2,454.36/3,386.99 = 1,335.28/x
  3. Step 3: Cross multiply
    2,454.36x = 3,386.99 × 1,335.28
  4. Step 4: Simplify right side
    2,454.36x = 4,522,580.01
  5. Step 5: Solve for x
    x = 4,522,580.01/2,454.36
  6. Step 6: Final answer
    x = 1,842.67

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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.