Home / 5,184.65-7,154.86-2,826.81

Finding the Fourth Proportional to 5,184.65, 7,154.86 and 2,826.81

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Solution

The fourth proportional to 5,184.65, 7,154.86 and 2,826.81 is: 3,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.65 : 7,154.86 = 2,826.81 : x
  2. Step 2: Convert to fraction form
    5,184.65/7,154.86 = 2,826.81/x
  3. Step 3: Cross multiply
    5,184.65x = 7,154.86 × 2,826.81
  4. Step 4: Simplify right side
    5,184.65x = 20,225,429.80
  5. Step 5: Solve for x
    x = 20,225,429.80/5,184.65
  6. Step 6: Final answer
    x = 3,901.02

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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.