Home / 5,928.78-8,174.10-4,862.70

Finding the Fourth Proportional to 5,928.78, 8,174.10 and 4,862.70

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Solution

The fourth proportional to 5,928.78, 8,174.10 and 4,862.70 is: 6,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.78 : 8,174.10 = 4,862.70 : x
  2. Step 2: Convert to fraction form
    5,928.78/8,174.10 = 4,862.70/x
  3. Step 3: Cross multiply
    5,928.78x = 8,174.10 × 4,862.70
  4. Step 4: Simplify right side
    5,928.78x = 39,748,196.07
  5. Step 5: Solve for x
    x = 39,748,196.07/5,928.78
  6. Step 6: Final answer
    x = 6,704.28

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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.