Home / 5,728.32-7,903.64-3,370.01

Finding the Fourth Proportional to 5,728.32, 7,903.64 and 3,370.01

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Solution

The fourth proportional to 5,728.32, 7,903.64 and 3,370.01 is: 4,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.32 : 7,903.64 = 3,370.01 : x
  2. Step 2: Convert to fraction form
    5,728.32/7,903.64 = 3,370.01/x
  3. Step 3: Cross multiply
    5,728.32x = 7,903.64 × 3,370.01
  4. Step 4: Simplify right side
    5,728.32x = 26,635,314.74
  5. Step 5: Solve for x
    x = 26,635,314.74/5,728.32
  6. Step 6: Final answer
    x = 4,649.76

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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.