Home / 6,702.85-9,254.01-4,187.13

Finding the Fourth Proportional to 6,702.85, 9,254.01 and 4,187.13

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Solution

The fourth proportional to 6,702.85, 9,254.01 and 4,187.13 is: 5,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.85 : 9,254.01 = 4,187.13 : x
  2. Step 2: Convert to fraction form
    6,702.85/9,254.01 = 4,187.13/x
  3. Step 3: Cross multiply
    6,702.85x = 9,254.01 × 4,187.13
  4. Step 4: Simplify right side
    6,702.85x = 38,747,742.89
  5. Step 5: Solve for x
    x = 38,747,742.89/6,702.85
  6. Step 6: Final answer
    x = 5,780.79

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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.