Home / 2,329.06-3,214.18-1,281.12

Finding the Fourth Proportional to 2,329.06, 3,214.18 and 1,281.12

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Solution

The fourth proportional to 2,329.06, 3,214.18 and 1,281.12 is: 1,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.06 : 3,214.18 = 1,281.12 : x
  2. Step 2: Convert to fraction form
    2,329.06/3,214.18 = 1,281.12/x
  3. Step 3: Cross multiply
    2,329.06x = 3,214.18 × 1,281.12
  4. Step 4: Simplify right side
    2,329.06x = 4,117,750.28
  5. Step 5: Solve for x
    x = 4,117,750.28/2,329.06
  6. Step 6: Final answer
    x = 1,767.99

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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.