Home / 4,971.58-7,459.80-3,520.06

Finding the Fourth Proportional to 4,971.58, 7,459.80 and 3,520.06

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Solution

The fourth proportional to 4,971.58, 7,459.80 and 3,520.06 is: 5,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.58 : 7,459.80 = 3,520.06 : x
  2. Step 2: Convert to fraction form
    4,971.58/7,459.80 = 3,520.06/x
  3. Step 3: Cross multiply
    4,971.58x = 7,459.80 × 3,520.06
  4. Step 4: Simplify right side
    4,971.58x = 26,258,943.59
  5. Step 5: Solve for x
    x = 26,258,943.59/4,971.58
  6. Step 6: Final answer
    x = 5,281.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.