Home / 5,362,640-7,399,673.60-3,156,191.36

Finding the Fourth Proportional to 5,362,640, 7,399,673.60 and 3,156,191.36

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Solution

The fourth proportional to 5,362,640, 7,399,673.60 and 3,156,191.36 is: 4,355,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362,640 : 7,399,673.60 = 3,156,191.36 : x
  2. Step 2: Convert to fraction form
    5,362,640/7,399,673.60 = 3,156,191.36/x
  3. Step 3: Cross multiply
    5,362,640x = 7,399,673.60 × 3,156,191.36
  4. Step 4: Simplify right side
    5,362,640x = 23,354,785,883,140.09
  5. Step 5: Solve for x
    x = 23,354,785,883,140.09/5,362,640
  6. Step 6: Final answer
    x = 4,355,091.13

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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.