Home / 4,842.40-7,258.20-2,068.60

Finding the Fourth Proportional to 4,842.40, 7,258.20 and 2,068.60

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Solution

The fourth proportional to 4,842.40, 7,258.20 and 2,068.60 is: 3,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.40 : 7,258.20 = 2,068.60 : x
  2. Step 2: Convert to fraction form
    4,842.40/7,258.20 = 2,068.60/x
  3. Step 3: Cross multiply
    4,842.40x = 7,258.20 × 2,068.60
  4. Step 4: Simplify right side
    4,842.40x = 15,014,312.52
  5. Step 5: Solve for x
    x = 15,014,312.52/4,842.40
  6. Step 6: Final answer
    x = 3,100.59

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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.