Home / 5,258.08-7,840.72-4,999.68

Finding the Fourth Proportional to 5,258.08, 7,840.72 and 4,999.68

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Solution

The fourth proportional to 5,258.08, 7,840.72 and 4,999.68 is: 7,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.08 : 7,840.72 = 4,999.68 : x
  2. Step 2: Convert to fraction form
    5,258.08/7,840.72 = 4,999.68/x
  3. Step 3: Cross multiply
    5,258.08x = 7,840.72 × 4,999.68
  4. Step 4: Simplify right side
    5,258.08x = 39,201,090.97
  5. Step 5: Solve for x
    x = 39,201,090.97/5,258.08
  6. Step 6: Final answer
    x = 7,455.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.