Home / 5,307.28-7,324.98-3,068.80

Finding the Fourth Proportional to 5,307.28, 7,324.98 and 3,068.80

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Solution

The fourth proportional to 5,307.28, 7,324.98 and 3,068.80 is: 4,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.28 : 7,324.98 = 3,068.80 : x
  2. Step 2: Convert to fraction form
    5,307.28/7,324.98 = 3,068.80/x
  3. Step 3: Cross multiply
    5,307.28x = 7,324.98 × 3,068.80
  4. Step 4: Simplify right side
    5,307.28x = 22,478,898.62
  5. Step 5: Solve for x
    x = 22,478,898.62/5,307.28
  6. Step 6: Final answer
    x = 4,235.48

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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.