Home / 5,322.60-7,345.56-2,965.20

Finding the Fourth Proportional to 5,322.60, 7,345.56 and 2,965.20

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Solution

The fourth proportional to 5,322.60, 7,345.56 and 2,965.20 is: 4,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.60 : 7,345.56 = 2,965.20 : x
  2. Step 2: Convert to fraction form
    5,322.60/7,345.56 = 2,965.20/x
  3. Step 3: Cross multiply
    5,322.60x = 7,345.56 × 2,965.20
  4. Step 4: Simplify right side
    5,322.60x = 21,781,054.51
  5. Step 5: Solve for x
    x = 21,781,054.51/5,322.60
  6. Step 6: Final answer
    x = 4,092.18

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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.