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Finding the Fourth Proportional to 5,510.93, 7,602.48 and 3,151.71

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Solution

The fourth proportional to 5,510.93, 7,602.48 and 3,151.71 is: 4,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.93 : 7,602.48 = 3,151.71 : x
  2. Step 2: Convert to fraction form
    5,510.93/7,602.48 = 3,151.71/x
  3. Step 3: Cross multiply
    5,510.93x = 7,602.48 × 3,151.71
  4. Step 4: Simplify right side
    5,510.93x = 23,960,812.24
  5. Step 5: Solve for x
    x = 23,960,812.24/5,510.93
  6. Step 6: Final answer
    x = 4,347.87

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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.