Home / 5,320.17-7,341.18-3,081.74

Finding the Fourth Proportional to 5,320.17, 7,341.18 and 3,081.74

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Solution

The fourth proportional to 5,320.17, 7,341.18 and 3,081.74 is: 4,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.17 : 7,341.18 = 3,081.74 : x
  2. Step 2: Convert to fraction form
    5,320.17/7,341.18 = 3,081.74/x
  3. Step 3: Cross multiply
    5,320.17x = 7,341.18 × 3,081.74
  4. Step 4: Simplify right side
    5,320.17x = 22,623,571.35
  5. Step 5: Solve for x
    x = 22,623,571.35/5,320.17
  6. Step 6: Final answer
    x = 4,252.42

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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.