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Finding the Fourth Proportional to 5,851.71, 8,810.64 and 5,162.67

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Solution

The fourth proportional to 5,851.71, 8,810.64 and 5,162.67 is: 7,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.71 : 8,810.64 = 5,162.67 : x
  2. Step 2: Convert to fraction form
    5,851.71/8,810.64 = 5,162.67/x
  3. Step 3: Cross multiply
    5,851.71x = 8,810.64 × 5,162.67
  4. Step 4: Simplify right side
    5,851.71x = 45,486,426.81
  5. Step 5: Solve for x
    x = 45,486,426.81/5,851.71
  6. Step 6: Final answer
    x = 7,773.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.