Home / 5,331.09-7,356.54-2,973.18

Finding the Fourth Proportional to 5,331.09, 7,356.54 and 2,973.18

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Solution

The fourth proportional to 5,331.09, 7,356.54 and 2,973.18 is: 4,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.09 : 7,356.54 = 2,973.18 : x
  2. Step 2: Convert to fraction form
    5,331.09/7,356.54 = 2,973.18/x
  3. Step 3: Cross multiply
    5,331.09x = 7,356.54 × 2,973.18
  4. Step 4: Simplify right side
    5,331.09x = 21,872,317.60
  5. Step 5: Solve for x
    x = 21,872,317.60/5,331.09
  6. Step 6: Final answer
    x = 4,102.79

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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.