Home / 2,346.71-3,238.53-1,298.76

Finding the Fourth Proportional to 2,346.71, 3,238.53 and 1,298.76

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Solution

The fourth proportional to 2,346.71, 3,238.53 and 1,298.76 is: 1,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.71 : 3,238.53 = 1,298.76 : x
  2. Step 2: Convert to fraction form
    2,346.71/3,238.53 = 1,298.76/x
  3. Step 3: Cross multiply
    2,346.71x = 3,238.53 × 1,298.76
  4. Step 4: Simplify right side
    2,346.71x = 4,206,073.22
  5. Step 5: Solve for x
    x = 4,206,073.22/2,346.71
  6. Step 6: Final answer
    x = 1,792.33

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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.