Home / 1,584.39-2,187.45-1,416.03

Finding the Fourth Proportional to 1,584.39, 2,187.45 and 1,416.03

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Solution

The fourth proportional to 1,584.39, 2,187.45 and 1,416.03 is: 1,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.39 : 2,187.45 = 1,416.03 : x
  2. Step 2: Convert to fraction form
    1,584.39/2,187.45 = 1,416.03/x
  3. Step 3: Cross multiply
    1,584.39x = 2,187.45 × 1,416.03
  4. Step 4: Simplify right side
    1,584.39x = 3,097,494.82
  5. Step 5: Solve for x
    x = 3,097,494.82/1,584.39
  6. Step 6: Final answer
    x = 1,955.01

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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.