Home / 4,270.18-5,915.65-4,168.12

Finding the Fourth Proportional to 4,270.18, 5,915.65 and 4,168.12

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Solution

The fourth proportional to 4,270.18, 5,915.65 and 4,168.12 is: 5,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.18 : 5,915.65 = 4,168.12 : x
  2. Step 2: Convert to fraction form
    4,270.18/5,915.65 = 4,168.12/x
  3. Step 3: Cross multiply
    4,270.18x = 5,915.65 × 4,168.12
  4. Step 4: Simplify right side
    4,270.18x = 24,657,139.08
  5. Step 5: Solve for x
    x = 24,657,139.08/4,270.18
  6. Step 6: Final answer
    x = 5,774.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.