Home / 7,362.32-10,157.28-4,378.28

Finding the Fourth Proportional to 7,362.32, 10,157.28 and 4,378.28

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Solution

The fourth proportional to 7,362.32, 10,157.28 and 4,378.28 is: 6,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.32 : 10,157.28 = 4,378.28 : x
  2. Step 2: Convert to fraction form
    7,362.32/10,157.28 = 4,378.28/x
  3. Step 3: Cross multiply
    7,362.32x = 10,157.28 × 4,378.28
  4. Step 4: Simplify right side
    7,362.32x = 44,471,415.88
  5. Step 5: Solve for x
    x = 44,471,415.88/7,362.32
  6. Step 6: Final answer
    x = 6,040.41

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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.