Home / 6,722.90-9,278.65-4,732.22

Finding the Fourth Proportional to 6,722.90, 9,278.65 and 4,732.22

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Solution

The fourth proportional to 6,722.90, 9,278.65 and 4,732.22 is: 6,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.90 : 9,278.65 = 4,732.22 : x
  2. Step 2: Convert to fraction form
    6,722.90/9,278.65 = 4,732.22/x
  3. Step 3: Cross multiply
    6,722.90x = 9,278.65 × 4,732.22
  4. Step 4: Simplify right side
    6,722.90x = 43,908,642.21
  5. Step 5: Solve for x
    x = 43,908,642.21/6,722.90
  6. Step 6: Final answer
    x = 6,531.21

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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.