Home / 5,281.20-7,302.15-4,625.10

Finding the Fourth Proportional to 5,281.20, 7,302.15 and 4,625.10

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Solution

The fourth proportional to 5,281.20, 7,302.15 and 4,625.10 is: 6,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.20 : 7,302.15 = 4,625.10 : x
  2. Step 2: Convert to fraction form
    5,281.20/7,302.15 = 4,625.10/x
  3. Step 3: Cross multiply
    5,281.20x = 7,302.15 × 4,625.10
  4. Step 4: Simplify right side
    5,281.20x = 33,773,173.97
  5. Step 5: Solve for x
    x = 33,773,173.97/5,281.20
  6. Step 6: Final answer
    x = 6,394.98

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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.