Home / 5,336.04-7,362.84-2,978.19

Finding the Fourth Proportional to 5,336.04, 7,362.84 and 2,978.19

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Solution

The fourth proportional to 5,336.04, 7,362.84 and 2,978.19 is: 4,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.04 : 7,362.84 = 2,978.19 : x
  2. Step 2: Convert to fraction form
    5,336.04/7,362.84 = 2,978.19/x
  3. Step 3: Cross multiply
    5,336.04x = 7,362.84 × 2,978.19
  4. Step 4: Simplify right side
    5,336.04x = 21,927,936.46
  5. Step 5: Solve for x
    x = 21,927,936.46/5,336.04
  6. Step 6: Final answer
    x = 4,109.40

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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.