Home / 7,921.90-10,934.96-4,566.05

Finding the Fourth Proportional to 7,921.90, 10,934.96 and 4,566.05

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Solution

The fourth proportional to 7,921.90, 10,934.96 and 4,566.05 is: 6,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.90 : 10,934.96 = 4,566.05 : x
  2. Step 2: Convert to fraction form
    7,921.90/10,934.96 = 4,566.05/x
  3. Step 3: Cross multiply
    7,921.90x = 10,934.96 × 4,566.05
  4. Step 4: Simplify right side
    7,921.90x = 49,929,551.28
  5. Step 5: Solve for x
    x = 49,929,551.28/7,921.90
  6. Step 6: Final answer
    x = 6,302.72

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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.