Home / 5,376.32-8,060-4,681.28

Finding the Fourth Proportional to 5,376.32, 8,060 and 4,681.28

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Solution

The fourth proportional to 5,376.32, 8,060 and 4,681.28 is: 7,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.32 : 8,060 = 4,681.28 : x
  2. Step 2: Convert to fraction form
    5,376.32/8,060 = 4,681.28/x
  3. Step 3: Cross multiply
    5,376.32x = 8,060 × 4,681.28
  4. Step 4: Simplify right side
    5,376.32x = 37,731,116.80
  5. Step 5: Solve for x
    x = 37,731,116.80/5,376.32
  6. Step 6: Final answer
    x = 7,018.02

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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.