Home / 5,913.23-8,159.49-3,395.45

Finding the Fourth Proportional to 5,913.23, 8,159.49 and 3,395.45

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Solution

The fourth proportional to 5,913.23, 8,159.49 and 3,395.45 is: 4,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.23 : 8,159.49 = 3,395.45 : x
  2. Step 2: Convert to fraction form
    5,913.23/8,159.49 = 3,395.45/x
  3. Step 3: Cross multiply
    5,913.23x = 8,159.49 × 3,395.45
  4. Step 4: Simplify right side
    5,913.23x = 27,705,140.32
  5. Step 5: Solve for x
    x = 27,705,140.32/5,913.23
  6. Step 6: Final answer
    x = 4,685.28

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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.