Home / 7,423.04-10,243.40-4,065.19

Finding the Fourth Proportional to 7,423.04, 10,243.40 and 4,065.19

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Solution

The fourth proportional to 7,423.04, 10,243.40 and 4,065.19 is: 5,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.04 : 10,243.40 = 4,065.19 : x
  2. Step 2: Convert to fraction form
    7,423.04/10,243.40 = 4,065.19/x
  3. Step 3: Cross multiply
    7,423.04x = 10,243.40 × 4,065.19
  4. Step 4: Simplify right side
    7,423.04x = 41,641,321.31
  5. Step 5: Solve for x
    x = 41,641,321.31/7,423.04
  6. Step 6: Final answer
    x = 5,609.74

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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.