Home / 7,160.78-9,882.33-4,017.17

Finding the Fourth Proportional to 7,160.78, 9,882.33 and 4,017.17

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Solution

The fourth proportional to 7,160.78, 9,882.33 and 4,017.17 is: 5,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.78 : 9,882.33 = 4,017.17 : x
  2. Step 2: Convert to fraction form
    7,160.78/9,882.33 = 4,017.17/x
  3. Step 3: Cross multiply
    7,160.78x = 9,882.33 × 4,017.17
  4. Step 4: Simplify right side
    7,160.78x = 39,698,999.61
  5. Step 5: Solve for x
    x = 39,698,999.61/7,160.78
  6. Step 6: Final answer
    x = 5,543.95

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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.