Home / 3,526.29-4,865.96-2,109.70

Finding the Fourth Proportional to 3,526.29, 4,865.96 and 2,109.70

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Solution

The fourth proportional to 3,526.29, 4,865.96 and 2,109.70 is: 2,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.29 : 4,865.96 = 2,109.70 : x
  2. Step 2: Convert to fraction form
    3,526.29/4,865.96 = 2,109.70/x
  3. Step 3: Cross multiply
    3,526.29x = 4,865.96 × 2,109.70
  4. Step 4: Simplify right side
    3,526.29x = 10,265,715.81
  5. Step 5: Solve for x
    x = 10,265,715.81/3,526.29
  6. Step 6: Final answer
    x = 2,911.19

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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.