Home / 2,154.18-3,233.70-1,570.08

Finding the Fourth Proportional to 2,154.18, 3,233.70 and 1,570.08

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Solution

The fourth proportional to 2,154.18, 3,233.70 and 1,570.08 is: 2,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.18 : 3,233.70 = 1,570.08 : x
  2. Step 2: Convert to fraction form
    2,154.18/3,233.70 = 1,570.08/x
  3. Step 3: Cross multiply
    2,154.18x = 3,233.70 × 1,570.08
  4. Step 4: Simplify right side
    2,154.18x = 5,077,167.70
  5. Step 5: Solve for x
    x = 5,077,167.70/2,154.18
  6. Step 6: Final answer
    x = 2,356.89

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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.