Home / 5,320.81-7,342.76-2,963.00

Finding the Fourth Proportional to 5,320.81, 7,342.76 and 2,963.00

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Solution

The fourth proportional to 5,320.81, 7,342.76 and 2,963.00 is: 4,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.81 : 7,342.76 = 2,963.00 : x
  2. Step 2: Convert to fraction form
    5,320.81/7,342.76 = 2,963.00/x
  3. Step 3: Cross multiply
    5,320.81x = 7,342.76 × 2,963.00
  4. Step 4: Simplify right side
    5,320.81x = 21,756,568.57
  5. Step 5: Solve for x
    x = 21,756,568.57/5,320.81
  6. Step 6: Final answer
    x = 4,088.96

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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.