Home / 4,885.65-7,298.79-3,116.58

Finding the Fourth Proportional to 4,885.65, 7,298.79 and 3,116.58

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Solution

The fourth proportional to 4,885.65, 7,298.79 and 3,116.58 is: 4,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.65 : 7,298.79 = 3,116.58 : x
  2. Step 2: Convert to fraction form
    4,885.65/7,298.79 = 3,116.58/x
  3. Step 3: Cross multiply
    4,885.65x = 7,298.79 × 3,116.58
  4. Step 4: Simplify right side
    4,885.65x = 22,747,262.94
  5. Step 5: Solve for x
    x = 22,747,262.94/4,885.65
  6. Step 6: Final answer
    x = 4,655.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.