Home / 2,357.68-3,536.56-2,215.12

Finding the Fourth Proportional to 2,357.68, 3,536.56 and 2,215.12

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Solution

The fourth proportional to 2,357.68, 3,536.56 and 2,215.12 is: 3,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.68 : 3,536.56 = 2,215.12 : x
  2. Step 2: Convert to fraction form
    2,357.68/3,536.56 = 2,215.12/x
  3. Step 3: Cross multiply
    2,357.68x = 3,536.56 × 2,215.12
  4. Step 4: Simplify right side
    2,357.68x = 7,833,904.79
  5. Step 5: Solve for x
    x = 7,833,904.79/2,357.68
  6. Step 6: Final answer
    x = 3,322.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.