Home / 7,323.32-10,106.36-4,179.80

Finding the Fourth Proportional to 7,323.32, 10,106.36 and 4,179.80

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Solution

The fourth proportional to 7,323.32, 10,106.36 and 4,179.80 is: 5,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.32 : 10,106.36 = 4,179.80 : x
  2. Step 2: Convert to fraction form
    7,323.32/10,106.36 = 4,179.80/x
  3. Step 3: Cross multiply
    7,323.32x = 10,106.36 × 4,179.80
  4. Step 4: Simplify right side
    7,323.32x = 42,242,492.10
  5. Step 5: Solve for x
    x = 42,242,492.10/7,323.32
  6. Step 6: Final answer
    x = 5,768.22

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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.