Home / 5,783.18-7,980.93-3,423.96

Finding the Fourth Proportional to 5,783.18, 7,980.93 and 3,423.96

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Solution

The fourth proportional to 5,783.18, 7,980.93 and 3,423.96 is: 4,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.18 : 7,980.93 = 3,423.96 : x
  2. Step 2: Convert to fraction form
    5,783.18/7,980.93 = 3,423.96/x
  3. Step 3: Cross multiply
    5,783.18x = 7,980.93 × 3,423.96
  4. Step 4: Simplify right side
    5,783.18x = 27,326,385.08
  5. Step 5: Solve for x
    x = 27,326,385.08/5,783.18
  6. Step 6: Final answer
    x = 4,725.15

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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.