Home / 2,329.14-3,214.13-1,281.20

Finding the Fourth Proportional to 2,329.14, 3,214.13 and 1,281.20

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Solution

The fourth proportional to 2,329.14, 3,214.13 and 1,281.20 is: 1,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.14 : 3,214.13 = 1,281.20 : x
  2. Step 2: Convert to fraction form
    2,329.14/3,214.13 = 1,281.20/x
  3. Step 3: Cross multiply
    2,329.14x = 3,214.13 × 1,281.20
  4. Step 4: Simplify right side
    2,329.14x = 4,117,943.36
  5. Step 5: Solve for x
    x = 4,117,943.36/2,329.14
  6. Step 6: Final answer
    x = 1,768.01

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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.