Home / 5,501.40-8,248.77-2,165.67

Finding the Fourth Proportional to 5,501.40, 8,248.77 and 2,165.67

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Solution

The fourth proportional to 5,501.40, 8,248.77 and 2,165.67 is: 3,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.40 : 8,248.77 = 2,165.67 : x
  2. Step 2: Convert to fraction form
    5,501.40/8,248.77 = 2,165.67/x
  3. Step 3: Cross multiply
    5,501.40x = 8,248.77 × 2,165.67
  4. Step 4: Simplify right side
    5,501.40x = 17,864,113.73
  5. Step 5: Solve for x
    x = 17,864,113.73/5,501.40
  6. Step 6: Final answer
    x = 3,247.19

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1.5x scale

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.