Home / 7,289.24-10,931.56-2,357.70

Finding the Fourth Proportional to 7,289.24, 10,931.56 and 2,357.70

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Solution

The fourth proportional to 7,289.24, 10,931.56 and 2,357.70 is: 3,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.24 : 10,931.56 = 2,357.70 : x
  2. Step 2: Convert to fraction form
    7,289.24/10,931.56 = 2,357.70/x
  3. Step 3: Cross multiply
    7,289.24x = 10,931.56 × 2,357.70
  4. Step 4: Simplify right side
    7,289.24x = 25,773,339.01
  5. Step 5: Solve for x
    x = 25,773,339.01/7,289.24
  6. Step 6: Final answer
    x = 3,535.81

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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.