Home / 5,328.71-7,355.16-3,091.08

Finding the Fourth Proportional to 5,328.71, 7,355.16 and 3,091.08

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Solution

The fourth proportional to 5,328.71, 7,355.16 and 3,091.08 is: 4,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.71 : 7,355.16 = 3,091.08 : x
  2. Step 2: Convert to fraction form
    5,328.71/7,355.16 = 3,091.08/x
  3. Step 3: Cross multiply
    5,328.71x = 7,355.16 × 3,091.08
  4. Step 4: Simplify right side
    5,328.71x = 22,735,372.52
  5. Step 5: Solve for x
    x = 22,735,372.52/5,328.71
  6. Step 6: Final answer
    x = 4,266.58

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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.