Home / 5,569.18-7,680.16-3,330.69

Finding the Fourth Proportional to 5,569.18, 7,680.16 and 3,330.69

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Solution

The fourth proportional to 5,569.18, 7,680.16 and 3,330.69 is: 4,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.18 : 7,680.16 = 3,330.69 : x
  2. Step 2: Convert to fraction form
    5,569.18/7,680.16 = 3,330.69/x
  3. Step 3: Cross multiply
    5,569.18x = 7,680.16 × 3,330.69
  4. Step 4: Simplify right side
    5,569.18x = 25,580,232.11
  5. Step 5: Solve for x
    x = 25,580,232.11/5,569.18
  6. Step 6: Final answer
    x = 4,593.18

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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.