Home / 3,132.42-4,322.81-1,716.14

Finding the Fourth Proportional to 3,132.42, 4,322.81 and 1,716.14

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Solution

The fourth proportional to 3,132.42, 4,322.81 and 1,716.14 is: 2,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.42 : 4,322.81 = 1,716.14 : x
  2. Step 2: Convert to fraction form
    3,132.42/4,322.81 = 1,716.14/x
  3. Step 3: Cross multiply
    3,132.42x = 4,322.81 × 1,716.14
  4. Step 4: Simplify right side
    3,132.42x = 7,418,547.15
  5. Step 5: Solve for x
    x = 7,418,547.15/3,132.42
  6. Step 6: Final answer
    x = 2,368.31

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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.