Home / 5,322.48-7,345.03-3,085.66

Finding the Fourth Proportional to 5,322.48, 7,345.03 and 3,085.66

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Solution

The fourth proportional to 5,322.48, 7,345.03 and 3,085.66 is: 4,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.48 : 7,345.03 = 3,085.66 : x
  2. Step 2: Convert to fraction form
    5,322.48/7,345.03 = 3,085.66/x
  3. Step 3: Cross multiply
    5,322.48x = 7,345.03 × 3,085.66
  4. Step 4: Simplify right side
    5,322.48x = 22,664,213.12
  5. Step 5: Solve for x
    x = 22,664,213.12/5,322.48
  6. Step 6: Final answer
    x = 4,258.21

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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.