Home / 5,325.55-7,348.47-3,087.01

Finding the Fourth Proportional to 5,325.55, 7,348.47 and 3,087.01

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Solution

The fourth proportional to 5,325.55, 7,348.47 and 3,087.01 is: 4,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.55 : 7,348.47 = 3,087.01 : x
  2. Step 2: Convert to fraction form
    5,325.55/7,348.47 = 3,087.01/x
  3. Step 3: Cross multiply
    5,325.55x = 7,348.47 × 3,087.01
  4. Step 4: Simplify right side
    5,325.55x = 22,684,815.35
  5. Step 5: Solve for x
    x = 22,684,815.35/5,325.55
  6. Step 6: Final answer
    x = 4,259.62

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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.