Home / 5,333.10-7,359.78-2,975.40

Finding the Fourth Proportional to 5,333.10, 7,359.78 and 2,975.40

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Solution

The fourth proportional to 5,333.10, 7,359.78 and 2,975.40 is: 4,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.10 : 7,359.78 = 2,975.40 : x
  2. Step 2: Convert to fraction form
    5,333.10/7,359.78 = 2,975.40/x
  3. Step 3: Cross multiply
    5,333.10x = 7,359.78 × 2,975.40
  4. Step 4: Simplify right side
    5,333.10x = 21,898,289.41
  5. Step 5: Solve for x
    x = 21,898,289.41/5,333.10
  6. Step 6: Final answer
    x = 4,106.11

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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.