Home / 6,714.20-10,061.70-4,945.40

Finding the Fourth Proportional to 6,714.20, 10,061.70 and 4,945.40

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Solution

The fourth proportional to 6,714.20, 10,061.70 and 4,945.40 is: 7,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.20 : 10,061.70 = 4,945.40 : x
  2. Step 2: Convert to fraction form
    6,714.20/10,061.70 = 4,945.40/x
  3. Step 3: Cross multiply
    6,714.20x = 10,061.70 × 4,945.40
  4. Step 4: Simplify right side
    6,714.20x = 49,759,131.18
  5. Step 5: Solve for x
    x = 49,759,131.18/6,714.20
  6. Step 6: Final answer
    x = 7,411.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.