Home / 2,341.68-3,512.52-1,316.40

Finding the Fourth Proportional to 2,341.68, 3,512.52 and 1,316.40

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Solution

The fourth proportional to 2,341.68, 3,512.52 and 1,316.40 is: 1,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.68 : 3,512.52 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    2,341.68/3,512.52 = 1,316.40/x
  3. Step 3: Cross multiply
    2,341.68x = 3,512.52 × 1,316.40
  4. Step 4: Simplify right side
    2,341.68x = 4,623,881.33
  5. Step 5: Solve for x
    x = 4,623,881.33/2,341.68
  6. Step 6: Final answer
    x = 1,974.60

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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.