Home / 3,615.84-4,988.52-2,358.45

Finding the Fourth Proportional to 3,615.84, 4,988.52 and 2,358.45

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Solution

The fourth proportional to 3,615.84, 4,988.52 and 2,358.45 is: 3,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.84 : 4,988.52 = 2,358.45 : x
  2. Step 2: Convert to fraction form
    3,615.84/4,988.52 = 2,358.45/x
  3. Step 3: Cross multiply
    3,615.84x = 4,988.52 × 2,358.45
  4. Step 4: Simplify right side
    3,615.84x = 11,765,174.99
  5. Step 5: Solve for x
    x = 11,765,174.99/3,615.84
  6. Step 6: Final answer
    x = 3,253.79

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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.