Home / 3,132.59-4,322.81-1,716.02

Finding the Fourth Proportional to 3,132.59, 4,322.81 and 1,716.02

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Solution

The fourth proportional to 3,132.59, 4,322.81 and 1,716.02 is: 2,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.59 : 4,322.81 = 1,716.02 : x
  2. Step 2: Convert to fraction form
    3,132.59/4,322.81 = 1,716.02/x
  3. Step 3: Cross multiply
    3,132.59x = 4,322.81 × 1,716.02
  4. Step 4: Simplify right side
    3,132.59x = 7,417,998.22
  5. Step 5: Solve for x
    x = 7,417,998.22/3,132.59
  6. Step 6: Final answer
    x = 2,368.01

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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.