Home / 4,644.89-6,966.02-1,312.91

Finding the Fourth Proportional to 4,644.89, 6,966.02 and 1,312.91

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Solution

The fourth proportional to 4,644.89, 6,966.02 and 1,312.91 is: 1,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.89 : 6,966.02 = 1,312.91 : x
  2. Step 2: Convert to fraction form
    4,644.89/6,966.02 = 1,312.91/x
  3. Step 3: Cross multiply
    4,644.89x = 6,966.02 × 1,312.91
  4. Step 4: Simplify right side
    4,644.89x = 9,145,715.92
  5. Step 5: Solve for x
    x = 9,145,715.92/4,644.89
  6. Step 6: Final answer
    x = 1,968.99

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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.