Home / 2,368.68-3,536.52-2,135.40

Finding the Fourth Proportional to 2,368.68, 3,536.52 and 2,135.40

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Solution

The fourth proportional to 2,368.68, 3,536.52 and 2,135.40 is: 3,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.68 : 3,536.52 = 2,135.40 : x
  2. Step 2: Convert to fraction form
    2,368.68/3,536.52 = 2,135.40/x
  3. Step 3: Cross multiply
    2,368.68x = 3,536.52 × 2,135.40
  4. Step 4: Simplify right side
    2,368.68x = 7,551,884.81
  5. Step 5: Solve for x
    x = 7,551,884.81/2,368.68
  6. Step 6: Final answer
    x = 3,188.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.