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Finding the Fourth Proportional to 3,810.07, 5,715.11 and 1,036.75

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Solution

The fourth proportional to 3,810.07, 5,715.11 and 1,036.75 is: 1,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.07 : 5,715.11 = 1,036.75 : x
  2. Step 2: Convert to fraction form
    3,810.07/5,715.11 = 1,036.75/x
  3. Step 3: Cross multiply
    3,810.07x = 5,715.11 × 1,036.75
  4. Step 4: Simplify right side
    3,810.07x = 5,925,140.29
  5. Step 5: Solve for x
    x = 5,925,140.29/3,810.07
  6. Step 6: Final answer
    x = 1,555.13

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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.