Home / 6,475.36-8,939.40-4,588.48

Finding the Fourth Proportional to 6,475.36, 8,939.40 and 4,588.48

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Solution

The fourth proportional to 6,475.36, 8,939.40 and 4,588.48 is: 6,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.36 : 8,939.40 = 4,588.48 : x
  2. Step 2: Convert to fraction form
    6,475.36/8,939.40 = 4,588.48/x
  3. Step 3: Cross multiply
    6,475.36x = 8,939.40 × 4,588.48
  4. Step 4: Simplify right side
    6,475.36x = 41,018,258.11
  5. Step 5: Solve for x
    x = 41,018,258.11/6,475.36
  6. Step 6: Final answer
    x = 6,334.51

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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.