Home / 2,326.09-3,210.03-1,278.16

Finding the Fourth Proportional to 2,326.09, 3,210.03 and 1,278.16

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Solution

The fourth proportional to 2,326.09, 3,210.03 and 1,278.16 is: 1,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.09 : 3,210.03 = 1,278.16 : x
  2. Step 2: Convert to fraction form
    2,326.09/3,210.03 = 1,278.16/x
  3. Step 3: Cross multiply
    2,326.09x = 3,210.03 × 1,278.16
  4. Step 4: Simplify right side
    2,326.09x = 4,102,931.94
  5. Step 5: Solve for x
    x = 4,102,931.94/2,326.09
  6. Step 6: Final answer
    x = 1,763.87

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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.