Home / 4,921.34-6,820.76-4,829.18

Finding the Fourth Proportional to 4,921.34, 6,820.76 and 4,829.18

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Solution

The fourth proportional to 4,921.34, 6,820.76 and 4,829.18 is: 6,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.34 : 6,820.76 = 4,829.18 : x
  2. Step 2: Convert to fraction form
    4,921.34/6,820.76 = 4,829.18/x
  3. Step 3: Cross multiply
    4,921.34x = 6,820.76 × 4,829.18
  4. Step 4: Simplify right side
    4,921.34x = 32,938,677.78
  5. Step 5: Solve for x
    x = 32,938,677.78/4,921.34
  6. Step 6: Final answer
    x = 6,693.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.