Home / 5,510.79-7,602.73-3,151.67

Finding the Fourth Proportional to 5,510.79, 7,602.73 and 3,151.67

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Solution

The fourth proportional to 5,510.79, 7,602.73 and 3,151.67 is: 4,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.79 : 7,602.73 = 3,151.67 : x
  2. Step 2: Convert to fraction form
    5,510.79/7,602.73 = 3,151.67/x
  3. Step 3: Cross multiply
    5,510.79x = 7,602.73 × 3,151.67
  4. Step 4: Simplify right side
    5,510.79x = 23,961,250.17
  5. Step 5: Solve for x
    x = 23,961,250.17/5,510.79
  6. Step 6: Final answer
    x = 4,348.06

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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.