Home / 3,715.10-5,127-2,036.66

Finding the Fourth Proportional to 3,715.10, 5,127 and 2,036.66

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Solution

The fourth proportional to 3,715.10, 5,127 and 2,036.66 is: 2,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.10 : 5,127 = 2,036.66 : x
  2. Step 2: Convert to fraction form
    3,715.10/5,127 = 2,036.66/x
  3. Step 3: Cross multiply
    3,715.10x = 5,127 × 2,036.66
  4. Step 4: Simplify right side
    3,715.10x = 10,441,955.82
  5. Step 5: Solve for x
    x = 10,441,955.82/3,715.10
  6. Step 6: Final answer
    x = 2,810.68

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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.