Home / 5,325.20-7,971.05-4,392.08

Finding the Fourth Proportional to 5,325.20, 7,971.05 and 4,392.08

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Solution

The fourth proportional to 5,325.20, 7,971.05 and 4,392.08 is: 6,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.20 : 7,971.05 = 4,392.08 : x
  2. Step 2: Convert to fraction form
    5,325.20/7,971.05 = 4,392.08/x
  3. Step 3: Cross multiply
    5,325.20x = 7,971.05 × 4,392.08
  4. Step 4: Simplify right side
    5,325.20x = 35,009,489.28
  5. Step 5: Solve for x
    x = 35,009,489.28/5,325.20
  6. Step 6: Final answer
    x = 6,574.31

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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.