Home / 2,041.17-2,816.86-1,109.67

Finding the Fourth Proportional to 2,041.17, 2,816.86 and 1,109.67

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Solution

The fourth proportional to 2,041.17, 2,816.86 and 1,109.67 is: 1,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.17 : 2,816.86 = 1,109.67 : x
  2. Step 2: Convert to fraction form
    2,041.17/2,816.86 = 1,109.67/x
  3. Step 3: Cross multiply
    2,041.17x = 2,816.86 × 1,109.67
  4. Step 4: Simplify right side
    2,041.17x = 3,125,775.22
  5. Step 5: Solve for x
    x = 3,125,775.22/2,041.17
  6. Step 6: Final answer
    x = 1,531.37

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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.