Home / 5,303.14-7,318.74-2,945.68

Finding the Fourth Proportional to 5,303.14, 7,318.74 and 2,945.68

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Solution

The fourth proportional to 5,303.14, 7,318.74 and 2,945.68 is: 4,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.14 : 7,318.74 = 2,945.68 : x
  2. Step 2: Convert to fraction form
    5,303.14/7,318.74 = 2,945.68/x
  3. Step 3: Cross multiply
    5,303.14x = 7,318.74 × 2,945.68
  4. Step 4: Simplify right side
    5,303.14x = 21,558,666.04
  5. Step 5: Solve for x
    x = 21,558,666.04/5,303.14
  6. Step 6: Final answer
    x = 4,065.26

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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.