Home / 5,719.84-7,894.68-4,608.16

Finding the Fourth Proportional to 5,719.84, 7,894.68 and 4,608.16

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Solution

The fourth proportional to 5,719.84, 7,894.68 and 4,608.16 is: 6,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.84 : 7,894.68 = 4,608.16 : x
  2. Step 2: Convert to fraction form
    5,719.84/7,894.68 = 4,608.16/x
  3. Step 3: Cross multiply
    5,719.84x = 7,894.68 × 4,608.16
  4. Step 4: Simplify right side
    5,719.84x = 36,379,948.59
  5. Step 5: Solve for x
    x = 36,379,948.59/5,719.84
  6. Step 6: Final answer
    x = 6,360.31

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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.