Home / 7,068.35-9,755.10-4,043.75

Finding the Fourth Proportional to 7,068.35, 9,755.10 and 4,043.75

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Solution

The fourth proportional to 7,068.35, 9,755.10 and 4,043.75 is: 5,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.35 : 9,755.10 = 4,043.75 : x
  2. Step 2: Convert to fraction form
    7,068.35/9,755.10 = 4,043.75/x
  3. Step 3: Cross multiply
    7,068.35x = 9,755.10 × 4,043.75
  4. Step 4: Simplify right side
    7,068.35x = 39,447,191.72
  5. Step 5: Solve for x
    x = 39,447,191.72/7,068.35
  6. Step 6: Final answer
    x = 5,580.82

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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.