Home / 7,672.02-10,588.20-4,689.60

Finding the Fourth Proportional to 7,672.02, 10,588.20 and 4,689.60

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Solution

The fourth proportional to 7,672.02, 10,588.20 and 4,689.60 is: 6,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.02 : 10,588.20 = 4,689.60 : x
  2. Step 2: Convert to fraction form
    7,672.02/10,588.20 = 4,689.60/x
  3. Step 3: Cross multiply
    7,672.02x = 10,588.20 × 4,689.60
  4. Step 4: Simplify right side
    7,672.02x = 49,654,422.72
  5. Step 5: Solve for x
    x = 49,654,422.72/7,672.02
  6. Step 6: Final answer
    x = 6,472.14

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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.