Home / 7,973.84-11,957.04-4,275.20

Finding the Fourth Proportional to 7,973.84, 11,957.04 and 4,275.20

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Solution

The fourth proportional to 7,973.84, 11,957.04 and 4,275.20 is: 6,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.84 : 11,957.04 = 4,275.20 : x
  2. Step 2: Convert to fraction form
    7,973.84/11,957.04 = 4,275.20/x
  3. Step 3: Cross multiply
    7,973.84x = 11,957.04 × 4,275.20
  4. Step 4: Simplify right side
    7,973.84x = 51,118,737.41
  5. Step 5: Solve for x
    x = 51,118,737.41/7,973.84
  6. Step 6: Final answer
    x = 6,410.81

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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.