Home / 7,317.84-10,977.09-2,387.55

Finding the Fourth Proportional to 7,317.84, 10,977.09 and 2,387.55

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Solution

The fourth proportional to 7,317.84, 10,977.09 and 2,387.55 is: 3,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.84 : 10,977.09 = 2,387.55 : x
  2. Step 2: Convert to fraction form
    7,317.84/10,977.09 = 2,387.55/x
  3. Step 3: Cross multiply
    7,317.84x = 10,977.09 × 2,387.55
  4. Step 4: Simplify right side
    7,317.84x = 26,208,351.23
  5. Step 5: Solve for x
    x = 26,208,351.23/7,317.84
  6. Step 6: Final answer
    x = 3,581.43

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1.5x scale

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.