Home / 4,541.76-6,815.27-1,909.06

Finding the Fourth Proportional to 4,541.76, 6,815.27 and 1,909.06

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Solution

The fourth proportional to 4,541.76, 6,815.27 and 1,909.06 is: 2,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.76 : 6,815.27 = 1,909.06 : x
  2. Step 2: Convert to fraction form
    4,541.76/6,815.27 = 1,909.06/x
  3. Step 3: Cross multiply
    4,541.76x = 6,815.27 × 1,909.06
  4. Step 4: Simplify right side
    4,541.76x = 13,010,715.72
  5. Step 5: Solve for x
    x = 13,010,715.72/4,541.76
  6. Step 6: Final answer
    x = 2,864.69

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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.