Home / 5,818.40-8,028.98-3,460.10

Finding the Fourth Proportional to 5,818.40, 8,028.98 and 3,460.10

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Solution

The fourth proportional to 5,818.40, 8,028.98 and 3,460.10 is: 4,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.40 : 8,028.98 = 3,460.10 : x
  2. Step 2: Convert to fraction form
    5,818.40/8,028.98 = 3,460.10/x
  3. Step 3: Cross multiply
    5,818.40x = 8,028.98 × 3,460.10
  4. Step 4: Simplify right side
    5,818.40x = 27,781,073.70
  5. Step 5: Solve for x
    x = 27,781,073.70/5,818.40
  6. Step 6: Final answer
    x = 4,774.69

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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.