Home / 1,531.32-2,292.53-1,373.01

Finding the Fourth Proportional to 1,531.32, 2,292.53 and 1,373.01

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Solution

The fourth proportional to 1,531.32, 2,292.53 and 1,373.01 is: 2,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.32 : 2,292.53 = 1,373.01 : x
  2. Step 2: Convert to fraction form
    1,531.32/2,292.53 = 1,373.01/x
  3. Step 3: Cross multiply
    1,531.32x = 2,292.53 × 1,373.01
  4. Step 4: Simplify right side
    1,531.32x = 3,147,659.75
  5. Step 5: Solve for x
    x = 3,147,659.75/1,531.32
  6. Step 6: Final answer
    x = 2,055.52

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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.