Home / 2,326.46-3,210.54-1,278.50

Finding the Fourth Proportional to 2,326.46, 3,210.54 and 1,278.50

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Solution

The fourth proportional to 2,326.46, 3,210.54 and 1,278.50 is: 1,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.46 : 3,210.54 = 1,278.50 : x
  2. Step 2: Convert to fraction form
    2,326.46/3,210.54 = 1,278.50/x
  3. Step 3: Cross multiply
    2,326.46x = 3,210.54 × 1,278.50
  4. Step 4: Simplify right side
    2,326.46x = 4,104,675.39
  5. Step 5: Solve for x
    x = 4,104,675.39/2,326.46
  6. Step 6: Final answer
    x = 1,764.34

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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.