Home / 6,680.02-9,219.54-3,885.52

Finding the Fourth Proportional to 6,680.02, 9,219.54 and 3,885.52

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Solution

The fourth proportional to 6,680.02, 9,219.54 and 3,885.52 is: 5,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.02 : 9,219.54 = 3,885.52 : x
  2. Step 2: Convert to fraction form
    6,680.02/9,219.54 = 3,885.52/x
  3. Step 3: Cross multiply
    6,680.02x = 9,219.54 × 3,885.52
  4. Step 4: Simplify right side
    6,680.02x = 35,822,707.06
  5. Step 5: Solve for x
    x = 35,822,707.06/6,680.02
  6. Step 6: Final answer
    x = 5,362.66

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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.