Home / 2,330.21-3,216.53-1,544.51

Finding the Fourth Proportional to 2,330.21, 3,216.53 and 1,544.51

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Solution

The fourth proportional to 2,330.21, 3,216.53 and 1,544.51 is: 2,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.21 : 3,216.53 = 1,544.51 : x
  2. Step 2: Convert to fraction form
    2,330.21/3,216.53 = 1,544.51/x
  3. Step 3: Cross multiply
    2,330.21x = 3,216.53 × 1,544.51
  4. Step 4: Simplify right side
    2,330.21x = 4,967,962.75
  5. Step 5: Solve for x
    x = 4,967,962.75/2,330.21
  6. Step 6: Final answer
    x = 2,131.98

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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.